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Basalt

OxideAnalysisFormula
CaO7.90%0.317
MgO10.30%0.576
K2O0.60%0.014
Na2O2.40%0.087
P2O50.30%0.005
TiO21.60%0.045
Al2O314.10%0.312
SiO248.60%1.823
Fe2O311.20%0.158
MnO0.10%0.003
LOI3.80
Oxide Weight218.89
Formula Weight227.54
If this formula is not unified correctly please contact us.

Volcanic rock essentially of plagioclase, labradorite, magnetite, and pyroxene, with olivine, biotite, and hornblende. Formed by magma emission. There are two distinct basalts: feldspathic and alkaline, both plagioclase feldspathics but the latter containing significantly more sodium and potassium.


Basalt

Peridot In Basalt

Llanite Basalt


By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Basalt" descrip="" searchkey="" loi="0.00" casnumber=""> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="7.900" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="10.300" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.600" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="2.400" tolerance=""/> <oxide symbol="P2O5" name="Phosphorus Pentoxide" status="" percent="0.300" tolerance=""/> <oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="1.600" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="14.100" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="48.600" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="11.200" tolerance=""/> <oxide symbol="MnO" name="Manganous Oxide" status="" percent="0.100" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="3.800" tolerance=""/> </volatiles> </material>


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