tatanan
trachyandesite 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.
Flint wis kawangun dening bosok lan compaction saka macem-macem organisme kayata kembang karang lan diatoms ing banyu.
komposisi
isi Mineral
Feldspar alkali, biotite, olivine, plagioclase, pyroxene, sodic plagioclase
Silicon
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
silikon dioksida
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism cataclastic, kontak metamorphism, metamorphism regional
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cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
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erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, banyu erosi, angin erosi
erosi kimia, erosi gisik, banyu erosi