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Tephrite
Tephrite

Blueschist
Blueschist



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Tephrite
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Blueschist

Formasi Tephrite lan Blueschist

Tatanan

tatanan

tephrite punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.
Wangun blueschist amarga metamorphism saka basalt lan rocks liyane karo komposisi padha ing tekanan dhuwur lan kurang Suhu lan kira-kira cocog kanggo ambane saka 15 kanggo 30 kilometer lan 200 kanggo 500 ° c.

komposisi

isi Mineral

Feldspar alkali, nepheline, plagioclase, pyroxene
albite, chlorite, epidote, garnet, glaucophane, lawsonite, muscovite utawa illite, quartz

senyawa isi

cao, karbon dioksida, MgO, silikon dioksida
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide

transformasi

metamorphism

jinis metamorphism

metamorphism cataclastic, kontak metamorphism, impact metamorphism, metamorphism regional
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cuaca

jinis udan

udan biologi, udan kimia, udan mechanical
udan mechanical

erosi

jinis erosi

erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi
erosi kimia, erosi gisik, banyu erosi, angin erosi