Potential ‘diamond factory’ may have existed at the core-mantle boundary for billions of years – Tech Explorist

The Carbon and water cycles in the Earth’s interior are linked to key planetary processes, such as mantle melting, degassing, chemical differentiation, and advection. However, the role of water in the carbon exchange between the cover and core is not well known.

At the Advanced Photon Source at Argonne National Laboratory, Byeongkwan Ko, a recent Ph.D. graduate from Arizona State University, and his team have been conducting experiments where they compressed water and iron-carbon alloy to the pressure and Temperature anticipated for the Earth’s core-mantle boundary, melting the iron-carbon alloy.

Scientists found that water and metal react and make iron oxides and hydroxides, just like rusting on Earth’s surface. They also found that for the conditions of the core-mantle boundary, unlike rusting on Earth’s surface, Carbon comes out of the liquid iron metal alloy and forms a diamond.

Since Carbon is an element that loves iron, it is anticipated that the core will contain a substantial amount of Carbon while the mantle is thought to have relatively low Carbon. According to scientists, the mantle actually includes much more Carbon than was previously thought.

Dan Shim, a professor at ASU’s School of Earth and Space Exploration and a co-author on the paper, said, “Temperature at the boundary between the silicate mantle and the metallic core at 3,000 km depth reaches to (about 7,000 degrees Fahrenheit), which is sufficiently high for most minerals to lose H2O captured in their atomic-scale structures. The Temperature is high enough that some minerals should melt at such conditions.”

Shim said, “At the pressures expected for the Earth’s core-mantle boundary, hydrogen alloying with iron metal liquid appears to reduce the solubility of other light elements in the core. Therefore, the solubility of Carbon, which likely exists in the Earth’s core, decreases locally where hydrogen enters into the core from the mantle (through dehydration).”

“The stable form of Carbon at the pressure-temperature conditions of the Earth’s core-mantle boundary is diamond. So the Carbon escaping from the liquid outer core would become diamond when it enters the mantle.”

Ko said, “Carbon is essential for life and plays an important role in many geological processes. The discovery of a carbon transfer mechanism from the core to the mantle will shed light on understanding the carbon cycle in the Earth’s deep interior. This is even more exciting given that the diamond formation at the core-mantle boundary might have been going on for billions of years since the initiation of subduction on the planet.”

“This new study shows that carbon leaking from the core into the mantle by this diamond formation process may supply enough carbon to explain the elevated carbon amounts in the mantle.”

Scientists also predicted that diamond-rich structures could exist at the core-mantle boundary and that seismic studies might detect the structures because seismic waves should travel unusually fast for the structures.

Shim said“The reason seismic waves should propagate exceptionally fast through diamond-rich structures at the core-mantle boundary is because diamond is extremely incompressible and less dense than other materials at the core-mantle boundary.” 

Journal Reference:

  1. Byeongkwan Ko, Stella Chariton, et al. Water-Induced Diamond Formation at Earth’s Core-Mantle Boundary. Geophysical Research Letters. DOI: 10.1029/2022GL098271

“Fingers Crossed”: Sourav Ganguly On Jasprit Bumrah’s Chances Of Playing T20 World Cup – NDTV Sports

Jasprit Bumrah suffered a back injury on the eve of the first T20I vs South Africa.© AFP

India pacer Jasprit Bumrah suffered a back injury on the eve of the first T20I against South Africa, which has now raised doubts over his participation in the T20 World Cup in Australia. With less than a month left for India’s opening game of the tournament against arch-rivals Pakistan, it seems highly unlikely that the star pacer will recover in time for the tournament. Bumrah will miss the remaining T20I games agaisnt South Africa, but the BCCI has not confirmed anything regarding his participation at the showpiece event.

However, BCCI President Sourav Ganguly has provided an update on Bumrah’s future, saying that it is too early to jump onto any conclusions.

“Bumrah is not out of the World Cup yet. We’ve got fingers crossed. Don’t rule him out yet,” Ganguly said during an interaction with RevSportz.

On being asked whether Bumra will travel to Australia, Ganguly replied: “I don’t know. We will find out in the next two-three days.”

Earlier on Friday, the BCCI named Mohammed Siraj as replacement for injured Jasprit Bumrah for the remainder of the T20I series against South Africa.

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Last day of Flipkart Big Billion Days Sale: Buy AirPods Pro at Rs 16K, Google Pixel 6a at Rs 34K – The Economic Times

The festive season this year has brought joy with an added dash of discounts and deals for shoppers. E-commerce giants have been enticing consumers with numerous lucrative deals for them to zero in on their favourite smartphones. Both Amazon and Flipkart, through their respective annual festive sales, offered countless opportunities to save money.

Flipkart’s Big Billion Days 2022 which began on September 23 has entered its last day today. Steal deals on iPhones, Samsung Galaxy S22, Google Pixel and other prominent Android smartphone brands offer users the best of options to splurge.

Now that Flipkart has entered the last day of its annual sales fest, here is a look at some of the best deals available on the portal as part of the Big Billion Days Sale.

AirPods Pro

If you have been planning to buy an AirPods Pro, then you should go ahead without much delay. The AirPods Pro which is priced at Rs 26,300 is currently being offered at Rs 16,990 by Flipkart. Apple has recently unveiled its second generation of premium wireless device at Rs 27,000. For those not looking to buy the AirPods Pro 2, the AirPods Pro is still a great device.


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Google Pixel Buds A-Series
Apart from AirPods Pro, Flipkart is also featuring the premium Google Pixel Buds A-Series. The earbuds which are priced at Rs 9,999 is being offered at Rs 5,999 as part of Flipkart’s annual sale.

Samsung Galaxy Watch 4
Perhaps, this is the right time to invest in a smartwatch. Samsung Galaxy Watch 4 which is priced at Rs 29,999 has got a massive price drop. Flipkart is currently offering the premium watch at Rs 10,999. Coupled with the slew of discounts and bank offers, consumers can take home a Samsung Galaxy Watch 4 for a much lower price. The device flaunts a futuristic design with numerous health and fitness features.

Google Pixel 6a

For all those who have been planning to switch to a Google Pixel smartphone, the time is right. The Google Pixel 6a 128GB model which is priced at Rs 43,999 is being offered at Rs 34,199. Besides, there is an exchange discount of up to Rs 16,900 making the device even cheaper.

Realme 9 Pro 5G

When it comes to budget smartphones, Realmi 9 Pro 5 G is among the top-selling smartphones. The device which is priced at Rs 21,999 now comes at Rs 16,999 on Flipkart. Powered by a Snapdragon 695 processor, the device comes with a triple rear camera module headlined by a 64MP camera.

There are numerous more offers on consumer electronics right now on Flipkart. Make the most of the sale before it ends tonight.

Iran Says 19 Killed, Including Guards Colonel In Clashes Near Pak Border – NDTV

19 Killed and 20 injured after gun battles in the southeastern Iranian province of Sistan-Baluchestan.


Nineteen people including a Revolutionary Guards colonel were killed Friday during heavy gun battles in the southeastern Iranian province of Sistan-Baluchestan, state media reported.

It was not immediately clear whether the clashes were connected to the wave of unrest that has swept Iran since the death of Kurdish woman Mahsa Amini in morality police custody earlier this month.

“Nineteen people were killed and 20 injured in the incident,” regional governor Hossein Khiabani told the state broadcaster.

“Provincial intelligence officer of the Islamic Revolutionary Guards Corps Colonel Ali Mousavi was also killed,” state television added.

Poverty-stricken Sistan-Baluchistan, which borders Afghanistan and Pakistan, is a flashpoint for clashes with drug smuggling gangs, as well as rebels from the Baluchi minority and Sunni Muslim extremist groups.

Earlier Friday, state media reported that security forces had returned fire when a police station in the provincial capital Zahedan came under attack by gunmen.

“A number of police members as well as passers-by have been injured in the exchange of fire,” the state broadcaster said.

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)

China Treads Lightly on Condemning Putin for Taking Ukraine Territory

Following Russian President Vladimir Putin‘s announcement that he will annex four regions from Ukraine, China has continued to tread lightly and has avoided both condemning or issuing support for Moscow.

On Friday, Putin announced that the Donetsk People’s Republic, the Luhansk People’s Republic, and the regions of Zaporizhzhia and Kherson will now be under Russian control. While the move has prompted criticism from a number of Western nations, such as the U.S., China called for peace between the two sides, but did not take an explicit stance.

“China’s position on the Ukraine issue is consistent and clear. We believe that all countries deserve respect for their sovereignty and territorial integrity, that the purposes and principles of the U.N. Charter should be observed, that the legitimate security concerns of any country should be taken seriously, and that support should be given to all efforts that are conducive to peacefully resolving the crisis,” Chinese foreign ministry spokesperson Mao Ning said during a press conference on Friday. “China stands ready to work with members of the international community to continue to play a constructive part in de-escalation efforts.”

Since Russia first invaded Ukraine in February, China has appeared to maintain a neutral stance. On Friday, Max Bergmann, the director of the Europe Program for the Center for Strategic and International Studies, told Newsweek that China’s stance on the Russia and Ukraine conflict is “probably one of the great disappointments to Russia.”

Bergmann cited the “no limits” relationship that Putin and Chinese President Xi Jinping had agreed upon prior to Russia’s invasion, saying, “Well, it looks like there’s a lot of limits on their relationship.”

Russian President Vladimir Putin and China’s President Xi Jinping walk during the Shanghai Cooperation Organisation leaders’ summit in Samarkand, Uzbekistan, on September 16. Following Russia’s annexation of Ukrainian territories, China has continued to tread lightly, neither explicitly condemning nor supporting Russia.

“The Chinese reaction is not to come and bail the Russians out, not to violate U.S. and European sanctions,” Bergmann said. “I think the Chinese, they are very pragmatic, very cold and it’s why autocratic states don’t, often times, serve as good allies because they’re gonna pursue their own interests, and what they see here is Russia flailing and potentially failing, and they don’t want to be complicit in that.”

Elizabeth Wishnick, who serves as a senior research assistant at the CNA nonprofit organization, also told Newsweek that China’s recent statement on the annexed territories “was typically ambiguous.”

“As in previous statements, the PRC Foreign Ministry spokesperson said that Beijing respects the territorial integrity and sovereignty of all states, upholds the U.N. Charter, and respects the legitimate security interests of all states,” Wishnick, who has an M.A. in Russian and East European Studies from Yale University, told Newsweek.

Wishnick also noted that the “legitimate” portion of China’s statement is “key” and said that “since official PRC media portray the war on Ukraine as instigated by the U.S. and NATO, that’s a clue, but, on the other hand, Beijing always claims to uphold the principles of territorial integrity and sovereignty because of its own concerns over Taiwan.”

In addition to the recent statement issued by the Chinese foreign ministry, Putin and Xi met earlier this month, when the Kremlin leader said that he appreciated China’s stance on the war in Ukraine.

“We highly appreciate the well-balanced position of our Chinese friends in connection with the Ukrainian crisis,” Putin said, according to the Associated Press.

Newsweek reached out to the Chinese foreign ministry for comment.

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Videos Show Hurricane Ian’s Wrath in South Carolina as Storm Makes Landfall

South Carolina Governor Henry McMaster said that the coastal state is “not out of the woods yet” after Hurricane Ian made landfall Friday, leaving behind flooded streets and heavy winds as the now post-tropical cyclone moves north through the state.

Several videos posted Friday have highlighted destruction left behind by the tropical storm, including one posted by WeatherNation field reporter Josh Morgerman, who shared a video of him standing in flooded waters in Georgetown, South Carolina, around 3:11 p.m. Hurricane Ian first made landfall just south of Georgetown midday Friday.

Crews respond to rescue people who were trapped on the second floor due to flooding caused by Hurricane Ian, on Friday, September 30, 2022, in Myrtle Beach, South Carolina. Videos on social media show damage caused by Hurricane Ian.
Myrtle Beach Fire Dept.

In the video, Morgermans pans over the street he’s standing on commenting that the “historic district” is “totally under water.”

“The whole thing,” Morgerman adds. “As far as the eye can see.”

Another video, posted earlier in the day by Live5News Reporter Rey Llerena, shows heavy rainfall mixed with strong winds hitting the Georgetown streets.

Some videos taken of Myrtle Beach, located just 35 miles north of Georgetown, have also been posted showing structural damages to the popular vacation destination. One video posted by WYFF News 4 shows high waves washing out parts of the Cherry Grove Pier near North Myrtle Beach.

The Myrtle Beach Police Department also shared a video around 1:30 p.m. Friday showing cars driving down a very flooded 3rd Avenue South and Ocean Boulevard.

“Don’t drive through flooded roadways,” Myrtle Beach Police wrote along with the video. “There is no reason to take this risk.”

The National Hurricane Center (NHC) reported that Hurricane Ian hit South Carolina as a Category 1 Hurricane, with winds speeds reaching up to 85 mph. The NHC also warned in its 5 p.m. update that even post-tropical, Ian poses a dangerous chance of storm surges, flash flooding and high winds as it passes through the state, and can still reach wind speeds up to 70 mph.

Governor McMaster urged residents in a Friday press release to stay informed of the tropical storm’s movement and to stay inside from the ongoing storm surges.

“A lot of prayers have been answered,” McMaster said in the release. “This storm is not as bad as it could have been, but don’t let your guard down yet.”

Unlike in Florida, where Hurricane Ian made landfall as a Category 4 hurricane, no South Carolina residents were ordered to evacuate ahead of the storm.

The heaviest parts of the storm appear to have passed parts of Myrtle Beach by Friday evening as Ian heads more inland towards North Carolina. One photo shared by Photojournalist Van Applegate depicts a rainbow peeking out behind clouds overtop of calm waters in South Myrtle Beach around 4:23 p.m.

Newsweek has reached out to Myrtle Beach Police for updates on damages and search and rescue efforts.

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What are the benefits of 5G and which operators will roll out 5G services in India – The Indian Express

Beginning Saturday, India will get 5G mobile services — almost five years after the country took its first steps towards the launch of the next generation of mobile telephony. Prime Minister Narendra Modi will launch 5G in select cities on October 1, while inaugurating the sixth edition of India Mobile Congress in New Delhi.

What has been India’s journey towards launching 5G?

In 2017, the government had set up a high-level forum comprising representatives from the industry, academia, government and regulators to evaluate and approve the country’s roadmap for rolling out 5G. The main agenda of this forum was to keep India’s roadmap for 5G aligned with the global standards so as to prevent the lack of homogeneity in global telecom networks that was witnessed in services up till 4G.

The forum, headed by Stanford University’s Professor AJ Paulraj submitted its report in 2018 and suggested focus on areas including spectrum policy, regulatory policy, application and use-case labs for developing locally-tailored solutions. And while research and development for 5G applications continued, the government started allocating spectrum to telecom operators to conduct trials. By 2019, the telecom department and the sector regulator TRAI started considerations on spectrum pricing. In August this year, the government concluded auctioning of 5G spectrum — in what was one of the final steps towards launching the services.

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Which operators will roll out 5G services and where?

While the government has not specified the cities that the PM will first launch 5G services in, telecom operators have revealed how they plan to roll out 5G services on their network. Reliance Jio, which was the top spender at this year’s 5G spectrum auctions bidding an amount of more than Rs 88,000 crore, said in August that it will roll out high-speed mobile internet services on its 5G network by Diwali in metro cities like Delhi, Mumbai, Chennai and Kolkata by Diwali this year. Bharti Airtel which was the second highest spender in the auction has said that 5G will be available on its network in all urban parts of the country by the end of 2023. Also, the company said that 5G will be available in towns and key rural areas by March 2024.

What are the benefits of 5G?

The Ministry of Communications said in a statement: “5G can unleash new economic opportunities and societal benefits giving it the potential for being a transformational force for Indian society … The cumulative economic impact of 5G on India is expected to reach $450 billion by 2035.” For consumers, 5G could have benefits owing to the superior Internet speed and low latency it promises over 4G. At its peak, internet speeds on 5G could touch 10 Gbps, compared to the 100 Mbps peak of 4G. Similarly, latency under 4G is between 10-100 ms (millisecond) whereas on 5G it is expected to be under 1 ms. Latency is the time it takes for a device to send packets of data and get a response. Shorter the latency, quicker the response.

Are the operators launching 5G on the same technology?


5G networks are deployed mainly on two modes: standalone and non-standalone. Both architectures have their advantages and disadvantages, and the path chosen by operators primarily reflects their view of the market for the new technology, and the consequent rollout strategy.

In the standalone mode, which Jio has chosen, the 5G network operates with dedicated equipment, and runs parallel to the existing 4G network, while in the non-standalone mode, the 5G network is supported by the 4G core infrastructure. Given that the non-standalone networks are built on existing infrastructure, the initial cost and the time taken to roll out services through this track is significantly less than standalone networks. Jio has committed an investment of Rs 2 lakh crore for its standalone 5G network.

Non-standalone networks are generally considered to be a stepping stone, and global precedent suggests operators that have launched non-standalone 5G networks eventually transition to standalone networks. The non-standalone mode, which Bharti Airtel has opted for, lets operators maximise the utilisation of their existing network infrastructure with relatively lower investment. The biggest difference in the two architectures is the compatibility with existing device ecosystems. Most smartphones today have capability to connect to non-standalone 5G networks — which are essentially 5G airwaves transmitted through 4G networks — and will require software updates by their OEMs to be able to connect to standalone networks.

From Def Leppard to Elton John, Here Are Miley Cyrus’ Most Powerful Collabs

Miley Cyrus has a voice that just won’t quit, and it’s turned the singer into a favorite collaboration partner for some of the music industry’s all-time greats.

The Hannah Montana alumna appeared onstage earlier this week with 1980s heavy metal Brits Def Leppard to deliver a tribute to late drummer Taylor Hawkins of the Foo Fighters.

“All I’ve got is a PHOTOGRAPH,” Def Leppard wrote in a tweet on Friday, along with video from the performance. “Thanks for rocking with us to honor Taylor Hawkins, Miley,” followed by the Sign of the Horns emoji.

Fans and fellow musicians alike have mourned Hawkins, who on March 25 was found dead at age 50 in his Bogotá, Colombia, hotel room while the Foo Fighters were touring South America.

Cyrus and Hawkins were friends in the years leading up to his death. The singer revealed on social media this week that Hawkins had once encouraged her to cover Def Leppard’s 1983 single “Photograph.”

That led to Cyrus and Def Leppard joining forces in Los Angeles on Tuesday during a star-fueled tribute to Hawkins.

Miley Cyrus sings at the Lollapalooza Brazil Music Festival in São Paulo, Brazil, on March 26, 2022. Cyrus has collaborated with many musical legends throughout her career.
Mauricio Santana/Getty Images

The day after the performance, Cyrus tweeted a voicemail that she’d received from Hawkins, who apparently once used to live in her neighborhood.

“What up Miley? It’s Taylor. I heard you’re movin’. Wah!” Hawkins can be heard saying in the recording. “I’m listening to ‘Photograph’ by Def Leppard. You could kill that one.”

And she did, by all accounts.

Cyrus has slayed onstage with other music legends, too. Here are a few standouts.

“Nothing Else Matters” with Metallica

Thrash metal pioneers Metallica teamed up with Cyrus for a live version of the band’s early 1990s single, “Nothing Else Matters.” The actress-singer nailed the cover, which was performed in 2021 on The Howard Stern Show.

“Jolene” with Dolly Parton

It takes real talent to go toe-to-toe with country icon Dolly Parton, but Cyrus can hold her own. In this video taken at a 2010 Hallmark event, the two Tennessee natives delivered a rapturous duet of Parton’s classic cut, “Jolene.”

“Rebel Yell” with Billy Idol

Cyrus strutted her stuff alongside pop-punk O.G. Billy Idol at the iHeartRadio Festival in Las Vegas in 2016. The duo sang one of Idol’s most famous hits, “Rebel Yell,” and you better believe that both stars also dressed the part, clad in black from head to toe.

“Tiny Dancer” with Elton John

No matter what genre, Cyrus always understands the assignment. In 2018, she also sang alongside glam rock god Elton John for a divine version of his eminently catchy 1971 smash, “Tiny Dancer.”

Newsweek reached out to a representative of Cyrus for comment.

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Putin’s ‘Satanism’ Speech Compared to Rhetoric From MAGA Republicans

Russian President Vladimir Putin, left, delivers a speech in Moscow on September 30, 2022, while ex-U.S. President Donald Trump, right, wears a “MAGA” hat at a rally in Florence, Arizona, on January 15, 2022. Putin accused the West of “Satanism” and undermining “traditional values” on Friday, prompting some to draw comparisons between his remarks and rhetoric used by MAGA Republicans.
Left: Contributor, Right: Mario Tama/Getty Images

Vladimir Putin has accused the West of undermining “traditional values” in service to “Satanism,” prompting some to compare the Russian president’s remarks to rhetoric from MAGA Republicans.

Putin said that “Western elites” were pushing a “radical denial of moral norms, religion and family” during a speech on Russia’s claimed annexation of four regions of Ukraine on Friday. He said that residents of Luhansk, Donetsk, Kherson and Zaporizhzhia were becoming Russian citizens “forever” before setting his sights on the “challenge” of values held in the U.S. and allied countries.

“The dictatorship of the Western elites is directed against all societies, including the peoples of the Western countries themselves,” Putin said, according to a translation from Reuters. “This is a challenge to all. This is a complete denial of humanity, the overthrow of faith and traditional values. Indeed, the suppression of freedom itself has taken on the features of a religion: outright Satanism.”

The Russian president also spoke about the West’s supposedly “insane” recognition of LGBTQ people during the speech, while echoing recent rhetoric from Republicans opposed to transgender rights.

“Do we really want, here, in our country, in Russia, instead of ‘mum’ and ‘dad,’ to have ‘parent No. 1,’ ‘parent No. 2,’ ‘No. 3’?” Putin said. “Have they gone completely insane? Do we really want … it drilled into children in our schools … that there are supposedly genders besides women and men, and [children to be] offered the chance to undergo sex change operations?”

In response to Putin’s speech, comparisons to the GOP arrived on social media, with some pointing out similarities in the rhetoric of prominent allies of former President Donald Trump, such as his former adviser Steve Bannon and Representative Marjorie Taylor Greene of Georgia.

“You know who else talks about Satanism besides Putin? Our American werewolf,” writer Nina Burleigh tweeted, alongside a photo of Bannon.

“Putin has accused the Biden administration of ‘Satanism,” tweeted John Schwartz, a journalism professor at the University of Texas at Austin. “Who does he think he is, Marjorie Taylor Greene?”

“Putin is now repeating the exact same anti-LGBT propaganda that Republicans spew,” progressive political commentator Brian Tyler Cohen tweeted.

Linguist and lawyer Paula Chertok referred to the speech as “Putin’s death to irony speech,” tweeting that it was “full of wild hypocrisy, logic & fascist propaganda demonizing the West & glorifying Russia, w/ something for everyone (incl shoutouts to Satanism & transgender so Tucker Carlson, the far-right can praise Putin for something tonight).”

“Putin has the same talking points about the U.S. as MAGA the circle is complete,” tweeted user @Cederflame. “#Satanism”

University of Pennsylvania religious studies professor Anthea Butler, author of the book White Evangelical Racism, said during a Yale University conference on Christian nationalism that “Putin’s rhetoric about the West abandoning religion and embracing Satanism echoes U.S. religious right figures (who have long admired Putin),” according to a tweet from writer Peter Montgomery.

U.S. national security adviser Jake Sullivan also weighed in on Putin’s rhetoric during a press conference at the White House on Friday.

“The fact that he’s using words like ‘Satanism’ is to me precisely the kind of over the top rhetoric and ranting that you hear from someone who has no basis to justify what is a colonial and imperial land grab,” said Sullivan.

“Rather than fill in any kind of logic or moral defense of what he has done, he has to resort to these kinds of absurd arguments,” he added. “And I think that can be plain for the world to see.”

This month, Chechen leader Ramzan Kadyrov, an ally of Putin, led a group of volunteer soldiers to fight Ukrainians he referred to as “Satanists” in two of the regions that Putin declared annexed this week.

Newsweek has reached out to the Republican National Committee for comment.

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Chargers WR Allen (hamstring) ruled out again

COSTA MESA, Calif. — Los Angeles Chargers wide receiver Keenan Allen has been ruled out of Sunday’s game against the Houston Texans because of a hamstring injury.

Center Corey Linsley, with a knee issue, and tight end Donald Parham Jr., also with a hamstring injury, are questionable. Cornerback J.C. Jackson, who has been dealing with an ankle issue, and quarterback Justin Herbert, who has fractured rib cartilage, will play.

The Chargers are 1-2 and have been dealing with a host of injury issues, which included placing left tackle Rashawn Slater and edge rusher Joey Bosa on injured reserve earlier this week.

Allen suffered the hamstring injury in Week 1 and has not played since.

Earlier in the week, coach Brandon Staley expressed growing confidence that Allen might be able to return against the Texans.

However, on Friday, Staley said that Allen “kind of felt something” during individual drills at practice.

“We’re going to hold him out of this game, just going to make sure that he keeps making progress,” Staley said of the 10th-year pro. “Just don’t want to push it where you have a significant setback of a major injury, so he couldn’t make it this week and next week we’ll give it another shot.”

Staley added that Allen did not suffer a major setback. “Just didn’t make enough progress to make it to the game,” he said.

Allen has led the Chargers in receptions since 2017.

The Bolts are also without reserve wide receiver Jalen Guyton, who tore his left ACL on Sunday.

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