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Nepheline Syenite
Nepheline Syenite

Troctolite
Troctolite



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Nepheline Syenite
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Troctolite

Nepheline Syenite lan Troctolite Definition

Definition

definisi

syenite nepheline punika rock plutonic holocrystalline resembling syenite nanging ngemot nepheline lan kakurangan quartz
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

Sajarah

asal

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panemu

Ora dingerteni
christian Leopold von Buch

Etimologi

saka asal saka syenite palaeozoic nepheline saka Provinsi Shanxi lor, china
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)

kelas

batuan beku
batuan beku

sub-kelas

awet rock, medium atose rock
awet rock, hard rock

kulawarga

group

plutonic
plutonic

kategori liyane

rock grained nggoleki, rock opaque
rock grained coarse, rock opaque