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 konglomerat ngendi endapan dumadi utamané saka krikil lan cobble-ukuran clasts rong milimeter diameteripun wiwit accumulating.
komposisi
isi Mineral
Feldspar alkali, nepheline, plagioclase, pyroxene
lempung, wedhi, silika, silt
senyawa isi
cao, karbon dioksida, MgO, silikon dioksida
NaCl, cao
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism cataclastic, kontak metamorphism, impact metamorphism, metamorphism regional
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
-
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi
erosi kimia, erosi gisik