Formasi Coquina lan Picrite
Tatanan
tatanan
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.
picrite punika nggoleki-grained, hard rock 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.
komposisi
isi Mineral
apatite, augite, bronzite, kalsit, chert, chlorite, mineral lempung, epidote, Feldspar, garnet, micas, muscovite utawa illite
biotite, olivine, plagioclase, pyrrhotite
senyawa isi
cao, karbon dioksida, wesi (iii) oxide, MgO
al, cao, karbon dioksida, mg, MgO
transformasi
metamorphism
No
Yes
jinis metamorphism
ora ditrapake
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
cuaca
Yes
Yes
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi
erosi
Yes
Yes
jinis erosi
erosi gisik, erosi segara, banyu erosi, angin erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
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