Websterite lan Nepheline Syenite Definition

Websterite

Nepheline Syenite

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1 Definition

1.1 definisi

websterite punika ultramafic lan ultrabasic rock sing kasusun saka takeran kira-kira witjaksono orthopyroxene lan clinopyroxene. iku jinis khusus saka pyroxenite.

syenite nepheline punika rock plutonic holocrystalline resembling syenite nanging ngemot nepheline lan kakurangan quartz

1.2 Sajarah

1.2.1 asal

webster, North Carolina

dingerteni

1.2.2 panemu

Dingertèni

1.3 Etimologi

saka kutha webster dumunung ing North Carolina

saka asal saka syenite palaeozoic nepheline saka Provinsi Shanxi lor, china

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

plutonic

1.6 kategori liyane

rock grained coarse, rock opaque

rock grained nggoleki, rock opaque

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