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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 basalt.
Lonar Lake, also known as Lonar crater, is a notified National Geo-heritage Monument, [2] [3] [4] saline, soda lake, located at Lonar, 79 km from Buldhana city in Buldhana district, Maharashtra, India. Lonar Lake is an astrobleme created by a meteorite impact during the Pleistocene Epoch. [5] [6] It is one of only four known hyper-velocity ...
Lunar meteorite. 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 .
anorthosite-bearing basaltic regolith breccia [1] ALH A81005. 1981. 31. feldspathic regolith breccia; FIRST RECOGNISED LUNAR METEORITE. Yamato 82192/82193/86032. 1983–1986. 712. feldspathic fragmental breccia.
The Bench Crater meteorite is a meteorite discovered on the Moon by Apollo 12 astronauts in 1969. It is part of the friable basalt lunar sample 12037. [2] Found on the north-west rim of the Bench Crater , it is the first meteorite to be discovered on a Solar System body other than the Earth.
Black Stone. The Black Stone ( Arabic: ٱلْحَجَرُ ٱلْأَسْوَد, romanized : al-Ḥajar al-Aswad) is a rock set into the eastern corner of the Kaaba, the ancient building in the center of the Grand Mosque in Mecca, Saudi Arabia. It is revered by Muslims as an Islamic relic which, according to Muslim tradition, dates back to the ...
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 ...
Rocks of the plains also resemble the basaltic shergottites, meteorites which came from Mars. One classification system compares the amount of alkali elements to the amount of silica on a graph; in this system, Gusev plains rocks lie near the junction of basalt, picrobasalt, and tephrite. The Irvine-Barager classification calls them basalts.
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