Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
100
Igneous Rocks form from what process?
melting and solidification
100
sedimentary rocks are formed from
compaction and cementation
100
metamorphic rocks form from
heat and pressure
200
What is the size of minerals crystals in igneous rocks directly related to ?
cooling time
200
The texture for inorganic land-derived sedimentary rocks is
Clastic
200
Which metamorphic rock has mineral alignment and can only be composed of the minerals mica, quartz, feldspar, amphibole, and garnet?
phyllite
300
Obsidians glassy texture is due to the rock cooling
Fast cooling / quickly over short period of time
300
Which two sedimentary rocks react with acid?
limestone and dolostone
300
The contact metamorphism of which layer will form quartzite?
sandstone
400
Which igneous rock is composed of feldspar, pyroxene, olivine, amphibole and cooled very slowly?
gabbro
400
Which sedimentary rock was precipitated from seawater as the Mediterranean Sea evaporated?
Rock salt
400
The texture in this metamorphic rock can be described as
banding
500
Which igneous rock is made up of mostly KAlSi3O8 and coarse textured?
granite
500
Which sedimentary rock is composed of CaCO3?
limestone
500
What is the sequence of change in rock type as shale is subjected to increasing heat and pressure?
Shale -> Slate -> Phyllite -> Schist -> Gneiss