GraniteGranite is composed mainly of quartz and feldspar with minor amounts of mica, amphiboles, and other minerals.
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QuartziteQuartzite (from German: Quarzit) is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone. Sandstone is converted into quartzite through heating and pressure usually related to tectonic compression within orogenic belts.
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MarbleMarble is a metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite.
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phone |
406-523-1907
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address |
100 N. Johnson #11
Missoula, MT 59801 |