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The Willamette Meteorite, officially named Willamette [3] and originally known as Tomanowos by the Clackamas Chinook [4] [5] Native American tribe, is an iron-nickel meteorite found in the U.S. state of Oregon. It is the largest meteorite found in the United States and the sixth largest in the world.
The following craters are officially considered "unconfirmed" because they are not listed in the Earth Impact Database. Due to stringent requirements regarding evidence and peer-reviewed publication, newly discovered craters or those with difficulty collecting evidence generally are known for some time before becoming listed.
The EID lists fewer than ten such craters, and the largest in the last 100,000 years (100 ka) is the 4.5 km (2.8 mi) Rio Cuarto crater in Argentina. [2] However, there is some uncertainty regarding its origins [ 3 ] and age, with some sources giving it as < 10 ka [ 2 ] [ 4 ] while the EID gives a broader < 100 ka.
The key in declaring the site a meteorite impact crater centers around the existence of shatter cones, basically branch-like cracks in the bedrock. “Those are essentially unequivocal evidence of ...
Campo del Cielo – a group of iron meteorites associated with a crater field (of the same name) of at least 26 craters in West Chaco Province, Argentina. The total weight of meteorites recovered exceeds 100 tonnes. [101] Canyon Diablo – Associated with Meteor Crater in Arizona. Cape York – One of the largest meteorites in the world.
The Southern Delta Aquariids and Alpha Capricornids meteor showers are peaking early Tuesday. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...
Deep underneath the flat plains of the Australian outback, a massive object lies buried. The hulking structure, which has “magnetic anomalies,” is likely a colossal asteroid crater, according ...
"Holsinger Meteorite", the biggest recovered fragment of the Canyon Diablo meteorite Example of a small (90mm) fragment of the meteorite. The biggest fragment ever found is the Holsinger Meteorite, weighing 639 kilograms (1,409 lb), now on display in the Meteor Crater Visitor Center on the rim of the crater. Other famous fragments: