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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 ...
Moon rock. Olivine basalt collected from the rim of Hadley Rille by the crew of Apollo 15. Moon rock or lunar rock is rock originating from Earth's Moon. This includes lunar material collected during the course of human exploration of the Moon, and rock that has been ejected naturally from the Moon's surface and landed on Earth as meteorites .
In 1998, a meteorite, approximately 2.5 millimeters (1 ⁄ 8 in) across, was described from a deep sea sediment core from the North Pacific, from a sediment sequence spanning the Cretaceous–Paleogene boundary (when the site was located in the central Pacific), with the meteorite being found at the base of the K-Pg boundary iridium anomaly ...
The upper basalt is Roza Member, while the lower canyon exposes Frenchmen Springs Member basalt. A flood basalt (or plateau basalt [1]) is the result of a giant volcanic eruption or series of eruptions that covers large stretches of land or the ocean floor with basalt lava. Many flood basalts have been attributed to the onset of a hotspot ...
Lonar Lake, also known as Lonar crater, is a saline, soda lake, located at Lonar, 79 km from Buldhana city in Buldhana district, Maharashtra, India. It is a notified National Geo-heritage Monument, [2] [3] [4] Lonar Lake is in an astrobleme created by a meteorite impact during the Pleistocene Epoch. [5] [6] It is one of only four known hyper ...
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.
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 ...
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 .