ROCKS Flashcards
Halite
Sed chemical
Rhyolite
Ig extrusive
Basalt
Ig intrusive and extrusive
Obsidian
Ig extrusive
Pumice
Ig extrusive
Granite pegmatic
Ig intrusive
Conquina
Sed organic
Slate
Met
Andesite
Ig intrusive
Breccias
Sed clastic
Scoria
Ig extrusive
Mudstone
Sed clastic
Extrusive:
When a rock broke through the ground
Felsic:
Rocks that are pale and high in silicon and oxygen
Rhyolite Tuff
Ig extrusive
Quartz is made of…
Silicon dioxide
Bituminous
Sed organic
Conglomerate
Sed clastic
Granite
Ig intrusive
Intrusive:
Means rock fully formed while it never broke the earths surface
Geode
Sed chemical
Siltstone
Sed clastic
Shale
Sed clastic
Lignite
Sed organic
Selenite
Sed chemical
Amethyst crystals
Sed chemical
Calcium carbonate
Sed chemical
Limestone
Sed chemical
Sandstone
Sed clastic
Rose Quartz
Ig intrusive
Christobolite
Ig extrusive
Diorite
Ig intrusive
Gypsun
Sed chemical
Quartcite
Met small red compact
Mica-shist
Met lighter than mica LOF
Marble
Met. Shiny whitish and glittery
Antracite
Met. Rough rugged looks like obsidian shiny
Talc
Met. Soft amd smooth comes off with finger
Mica
Met. Darker one thin can be peeled
Gneiss
Met. Soft LOF blackish and white