water flows
The point at which a stream will no longer erode...
What is base level?
The feature that bounds glaciers on it's sides, from below, and and at it's farthest extent of movement...
What is a moraine?
The specific kind of rock that forms most of the the local ridges...
What is Quartz sandstone?
The hardness of apatite.
What is 5?
The proper name of youngest material you examined was composed of this material...
What is Late Illinoian stratified drift?
The kind of stream known for moving slowly, changing paths, carrying fine grained sediment, that moves like a snake covering a distance greater than the crow flies....
What is a meandering stream?
The type of glacial lake that after glaciation appears like a string of pearls in a mountain valley.
What are paternoster lakes?
This volcanic rock forms from molten material at the surface, above a pluton of diorite.
What is andesite?
Two of the predominant minerals in gabbro are...
What are plagioclase and pyroxene?
The key reason for mass wasting in rock along route 147...
What is cleavage in shale?
The 2 locations where water flows at the slowest rate.
What is the at the substrate along the shallowest part of the stream (edges)?
The type of volcano associated with convergent boundaries that form island arcs.
What is stratovolcano or composite?
A boulder with faceted edges left by a retreating glacier is known as a...
What is a glacial erratic?
The progenitor of eclogite.
What is oceanic crust composed of basalt or gabbro?
The oldest formation you examined in the field is the...
What is the Tuscarora Formation?
Another name for the zone of saturation?
What is the phreatic zone?
A location where in a river or channel experiences a sharp change in channel bed slope, such as a waterfall or lake.
What is a knickpoint?
The most rapid moving type of tectonic motion (cm/yr).
What is divergence?
The name of the deposit or type of rock composed of volcanic ash that forms when a stratovolcano erupts.
What is bentonite?
The type of mass wasting in Centralia.
What is subsidence?
The number of calories necessary for water vapor to be removed from solid ice...
What is 680 calories?
What is a pingo?
Name of the type of minerals that has the same chemical formula, but different crystal structure.
What is a polymorph?
A very hard mineral that can be any color, usually found in metamorphic rock, and may occur as a porphyrhoblast.
What is garnet?
Active margin Devonian sediments deposited prior to the Catskill Formation.
What is the Trimmers Rok Formation or turbidites?