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Total known specimens. 306. Alternative names. Lunaite. Large slice of NWA5000, the largest known lunar meteorite. It was found in the Sahara desert in 2007. [1] A lunar meteorite is a meteorite that is known to have originated on the Moon. A meteorite hitting the Moon is normally classified as a transient lunar phenomenon .
Basalt ( UK: / ˈbæsɔːlt, - əlt /; [ 1] US: / bəˈsɔːlt, ˈbeɪsɔːlt /) [ 2] is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low- viscosity lava rich in magnesium and iron ( mafic lava) exposed at or very near the surface of a rocky planet or moon. More than 90% of all volcanic rock on Earth is ...
Pallasite. A slice of the Esquel pallasite, clearly showing the large olivine crystals suspended in the metal matrix. The pallasites are a class of stony–iron meteorite. They are relatively rare, and can be distinguished by the presence of large olivine crystal inclusions in the ferro-nickel matrix.
"Meteorite impacts generate high temperatures ranging from 2,000-6,000 degrees Celsius (3,600-10,800 degrees Fahrenheit). These extreme temperatures melt and vaporize rocks on the lunar surface ...
Type. Chondrite. Alternative names. C chondrites. Carbonaceous chondrites or C chondrites are a class of chondritic meteorites comprising at least 8 known groups and many ungrouped meteorites. They include some of the most primitive known meteorites. The C chondrites represent only a small proportion (4.6%) [1] of meteorite falls .
Achondrite. A eucrite achondrite from the Millbillillie meteorite shower. An achondrite [1] is a stony meteorite that does not contain chondrules. [2] [3] It consists of material similar to terrestrial basalts or plutonic rocks and has been differentiated and reprocessed to a lesser or greater degree due to melting and recrystallization on or ...
Sudbury Basin. / 46.600°N 81.183°W / 46.600; -81.183. The Sudbury Basin ( / ˈsʌdbəri / ), also known as Sudbury Structure or the Sudbury Nickel Irruptive, is a major geological structure in Ontario, Canada. It is the third-largest known impact structure on Earth, as well as one of the oldest. [ 1] The structure, the eroded remnant ...
Meteorite classification. In meteoritics, a meteorite classification system attempts to group similar meteorites and allows scientists to communicate with a standardized terminology when discussing them. Meteorites are classified according to a variety of characteristics, especially mineralogical, petrological, chemical, and isotopic properties.