Fossils/Geologic History
What type of rock do you typically find fossils in?
Sedimentary
What is the name for a volcanic, mafic rock?
Basalt
As you go down further in the Earth's crust, heat and pressure both do what?
Increase
Name a sedimentary rock made up of clay
Shale/Mudstone
What is the continental plate that SUNY Oswego is situated on?
North American Plate
What is the most common fossil found in the Cambrian period?
Trilobites
Name a plutonic rock containing 90% or more plagioclase feldspar
Anorthosite
What is the name for a highly deformed rock with lots of foliation/banding?
Gneiss
What mineral has a hardness of 8
Corundum
This plate boundary is associated with subduction, or continental-continental collisions
Convergent Plate Boundary
What is the state fossil in New York State?
Eurypterids
What is obsidian?
When mica minerals align under certain temperature and pressure conditions, they form what type of foliation/metamorphic rock?
Schistosity
A layer of rock in a sedimentary sequence with its own definable characteristics
Bedding
What type of fault is the San Andreas Fault?
Strike-slip/transverse
The dinosaurs existed during these periods:
Triassic, Jurassic, Cretaceous
Continental crust is mainly made up of what rock?
Granitoid
The three aluminosilicate minerals associated with metamorphism
Kyanite, Andalusite, Sillimanite
Iron
What is a tectonically inactive margin called?
Passive margin
Proterozoic (>1 billion years ago)
When a rift environment produces both mafic and felsic rocks, what is the technical name for this suite?
Bimodal Suite
Mylonite fabrics are associated with...?
Shear zones/fault zones
Olivine
What is the name of the basin that forms behind a volcanic arc?
Back-Arc Basin