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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.
Lunar basalt 70017 is a Moon basalt that was collected by astronauts Eugene Cernan and Harrison Schmitt on the last crewed Moon landing, Apollo 17, when they made a speech referring to "the children of the world". In 1973 President Nixon gave pieces of the lunar basalt 70017 to the 50 United States. Others were given as goodwill gifts by NASA.
The Columbia River Basalt Group (including the Steen and Picture Gorge basalts) extends over portions of four states. The Columbia River Basalt Group (CRBG) is the youngest, smallest and one of the best-preserved continental flood basalt provinces on Earth, covering over 210,000 km 2 (81,000 sq mi) mainly eastern Oregon and Washington, western Idaho, and part of northern Nevada. [1]
The sample Moon rock collected during the Apollo 17 mission was later named lunar basalt 70017, and dubbed the Goodwill rock. [1] Pieces of the rock weighing about 1.14 grams [2] were placed inside a piece of acrylic lucite, and mounted along with a flag from the country that had flown on Apollo 17 it would be distributed to.
Wairere Boulders. Wairere Boulders is a privately-owned nature reserve and tourist attraction at Horeke in the south Hokianga region of Northland, New Zealand. The property contains geologically rare rock formations. Visitors to the property can walk around the various trails, kayak down the boulder river and stay at the campsite.
Basalt fiber. Basalt fibers are produced from basalt rocks by melting them and converting the melt into fibers. Basalts are rocks of igneous origin. The main energy consumption for the preparation of basalt raw materials to produce of fibers is made in natural conditions. Basalt fibers are classified into 3 types: Basalt continuous fibers (BCF ...
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