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Soapstone
Soapstone

Taconite
Taconite



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Taconite

Soapstone lan Taconite Definition

1 Definition
1.1 definisi
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
1.2 Sajarah
1.2.1 asal
usa
western australia, Minnesota
1.2.2 panemu
Dingertèni
Newton Horace Winchell
1.3 Etimologi
saka abad ka-17, amarga saka aran greasy lan nggunakake kaya sinetron sing
saka jeneng gunung taconic ing england anyar
1.4 kelas
rocks metamorphic
rocks sedimentary
1.4.1 sub-kelas
awet rock, rock alus
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque