Gritstone lan Troctolite Definition

Gritstone

Troctolite

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1 Definition

1.1 definisi

gritstone utawa grit punika hard, coarse-grained, siliceous sandstone

troctolite jinis rock intrusive mafic. iku kasusun ateges Jumlah utama nanging maneko rupo olivine lan calcic plagioclase bebarengan karo pyroxene suntingan. iku anorthosite-sugih olivine, utawa sing relatif pyroxene-kurang saka gabbro

1.2 Sajarah

1.2.1 asal

pennines, england

dingerteni

1.2.2 panemu

JJ Ferber

christian Leopold von Buch

1.3 Etimologi

saka grit + watu

saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)

1.4 kelas

rocks sedimentary

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

1.5 kulawarga

1.5.1 group

ora ditrapake

plutonic

1.6 kategori liyane

rock grained coarse, rock opaque

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