TīmeklisBasalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. 1.2 History. 1.2.1 Origin. Unknown. Egypt. 1.2.2 Discoverer. Unknown. Georgius Agricola. 1.3 Etymology. From French schiste, Greek skhistos i.e. split. From Late Latin Basaltes (variant of basanites ), very hard ... TīmeklisHistory of humanity: scientific and cultural development, v. II: From the third millennium to the seventh century B.C.
basalt - WordReference.com Dictionary of English
TīmeklisAll. 1 Definition. 1.1 Definition. Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. 1.2 … TīmeklisThe Palisades, basalt bluffs 200–540 feet (60–165 metres) high along the west side of the Hudson River, southeastern New York and northeastern New Jersey, U.S. Rising vertically from near the water’s edge, they are characterized by uplifts, faults, and columnar structure developed by slow cooling of molten material near the end of the … car detailing cleaning kit
Baroque, Purple, and Beautiful: In Praise of the Long, Complicated ...
TīmeklisHornblende is a common constituent of many igneous and metamorphic rocks such as granite, syenite, diorite, gabbro, basalt, andesite, gneiss, and schist. It crystallizes in preference to pyroxene minerals from … TīmeklisPorphyry (geology) Porphyry is a variety of igneous rock consisting of large-grained crystals, such as feldspar or quartz, dispersed in a fine-grained feldspathic [1] matrix or groundmass. The larger crystals are called phenocrysts. In its traditional, non-geologic use, the term "porphyry" refers to the purple-red form of this stone, valued for ... Tīmeklis2011. gada 14. jūl. · There are two other geology words which are related to the word “glomeroporphyritic.”. The first word is “glomeroporphyroclast,” which describes a cluster or collection of phenocrysts. Although the word contains the singular “clast,” the term really describes a collection of crystals. Actually, the “-clast” suffix is a misnomer. brollow pad