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Nephelinite
Nephelinite

Coquina
Coquina



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Nephelinite
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Coquina

Formasi Nephelinite lan Coquina

Tatanan

tatanan

nephelinite 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.
Coquina punika rock sedimentary kang kawangun nalika milyar seashell cilik kerang-kaya, disebut Coquina, utawa cockleshell sing die lan Empu sing setor, disarèkaké lan dadi menyang rock nalika meksa wis Applied.

komposisi

isi Mineral

clinopyroxene, nepheline, plagioclase
apatite, augite, bronzite, kalsit, chert, chlorite, mineral lempung, epidote, Feldspar, garnet, micas, muscovite utawa illite

senyawa isi

ca, cao, karbon, cl, MgO
cao, karbon dioksida, wesi (iii) oxide, MgO

transformasi

metamorphism

jinis metamorphism

kontak metamorphism
-

cuaca

jinis udan

udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical

erosi

jinis erosi

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