Rivers
Rock Types
Metamorphism
Historical Geology
Mysteries
100

These river systems are common in glacial environments where a stream has a hard time transporting the entire bedload of sediments

What are braided rivers?

100

What are the 3 rock types?

Igneous, Sedimentary, and Metamorphic

100

Rock type for Marble

What is non-foliated?

100

What was the direction of subduction during the Sonoma orogeny?

What is westward?

100

K. Sean looks like he is in his late thirties to early 40's. Why is this?

Years of clean living and self-denial

200

Braided river sediments

What is sandstone?

200
Rocks found in steep channels with high occurrences of debris flows

What is breccia?

200

Rock type for gneiss

what is foliated?

200

What was the direction of subduction for the orogenies after the Sonoma Orogeny?

What is eastward?

200

This mineral is renown for retaining lead isotopes that decay from uranium, and therefore can be used to date very old igneous rocks

What is a zircon?

300

Cut banks and Point Bars are found in

What are meandering rivers?
300

Sea level rise leaves this package of rocks from the top down

What are limestone, shale, and sandstone?

300

An intruding magma body cooks the country rock

What is contact metamorphism?

300

This type of deformation is linked to the Laramide orogeny

What is "thick-skinned"?

300

The capital of Lichtenstein

What is Vaduz?

400

3 Meandering river rock types in the Willamette River?

What are conglomerates, sandstones, gravels?

400

Parent rock for quartzite, slate, and marble?

What are sandstone, shale, and limestone?

400

This type of metamorphism creates the vast majority of metamorphic rocks

What is Barrovian?

400

What is are two leading causes hypothesized to have triggered the onset of Basin and Range extension?

What are slab tear off or slab rollback?

400

Where can I find both normal and transform faults?

What are seafloor spreading centers?

500

Fluvial system at the end of a river system

What is a delta?

500

You find amphibolite, quartzite, slate, marble, overlying younger basalt, sandstone, shale, and limestone. What type of depositional and tectonic environment existed at this location?

What is a nearshore and convergent margin?

500

This type of metamorphism is common in Subduction Zones

What is Blueschist?

500

What do the Siberian Traps, the Rifting of Pangea, and the Deccan Traps in India cause? What event are they?

What are Large Igneous Provinces and Mass Extinctions?

500

material shed by upgoing mountain ranges and downgoing subducted ocean slabs

What are molasse and flysch?

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