maggies1 maggies1
  • 11-03-2015
  • Geography
contestada

what is basalts cleveage and streak

need to know due tommorow

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secret13 secret13
  • 11-03-2015
I suppose you are taking Earth Science and are in Grade 9??

Basalt --


Color: Black
Composition: Mafic 
Texture: Aphanetic
Cooling/Crystallization History: Extrusive and Fast
Tectonic Setting: Hot Spots, Divergent Plates, Mid Ocean Ridges
Determining Factor: Basalt is Aphanetic and has Small Crystals
Streak: 
 white.
Cleavage: Basalt has no 
cleavage, it has fracture...
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