Picrite lan Litchfieldite Definition

Picrite

Litchfieldite

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1 Definition

1.1 definisi

picrite iku macem-macem dhuwur-Magnesium basalt olivine sing sugih banget ing olivine Mineral

litchfieldite punika rock langka igneous kang coarse-grained, foliated lan macem-macem nepheline syenite, kadhangkala uga disebut minangka nepheline syenite gneiss utawa gneissic nepeheline syenite

1.2 Sajarah

1.2.1 asal

pulo hawaii

usa

1.2.2 panemu

Dingertèni

Bayley

1.3 Etimologi

saka pikros greek pait + -ite, abad ka-19

saka occurrence ing Litchfield, maine, usa

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

vulkanik

plutonic

1.6 kategori liyane

rock grained nggoleki, rock opaque

rock grained coarse, rock opaque

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