-
What are five factors that landscape topographic regions depend on?
- 1. Bedrock Composition and Structure
- 2. Climate
- 3. Stream Drainage Patterns
- 4. Elevation above sea-level
- 5. Time
-
When the ____________, the ____________ and the ______________ meet, landscapes are formed.
Atmosphere, lithosphere, and hydrosphere
-
What characteristic defines mountains?
distorted rock structure
-
In NY State, mountains generally consist of ____________ and ______________ rocks.
Igneous, Metamorphic
-
__________ are higher than lowlands but are lower than highlands.
Uplands
-
What is the main difference between a mountain and a plateau?
A plateau has NO distorted rock structure, while a mountain does (plateaus are flat on top and have gentler slopes)
-
When land is uplifted, what happens to gravity's force?
It increases.
-
When land is uplifted, the force of rivers __________.
increase
-
What type of geological feature are the Catskill Mountains considered?
a dissected plateau
-
How are sediments sorted on a plain.
Horizontally
-
What are the two major plains in New York State?
The Erie Ontario Plain, and the Atlantic Coastal Plain.
-
__________ don't necessarily contain mountains, but they do signify where mountains used to be.
Highlands
-
What force must be dominant for Mountains and Plateaus to form?
Uplifting
-
What are leveling forces?
They are the erosion of high elevation features.
-
What do leveling forces form?
a plain
-
What happens when the force of uplift is equal to the leveling forces?
The elevations stay the same.
-
Bedrock composed of stronger/tougher minerals will erode _______.
slower
-
What is the relationship between sediment strength, and the pitch of a slope?
The stronger the bedrock, the steeper the slope.
-
What is a landscape boundry?
An area with a sharp change in elevation between two different adjoining bedrock structures.
-
What is a ridge?
A long narrow hilltop, mountain range, or watershed
-
Why are ridges are very difficult to traverse?
Because they have no mountain passes.
-
What is the name for a long, steep slope that is often at the edge of a plateau or that separates areas of land at different heights?
An escarpment
-
What kind of climate is most likely to support steeper slopes with sharper edges?
An arid climate
-
What shape of mountain would be most likely found in a humid climate?
A smooth rounded shaped mountain (eg, Mount Greylock, MA)
-
Why do rocks in the desert tend to generally have steep slopes?
Because there is more physical erosion in an arid climate.
-
In deserts, why do mesas like this (in picture) tend to have a milder slope at the bottom, and a much steeper slope near the top?
Because the rock near the bottom is weaker than near the top and has collapsed because of that.
-
What type of mountains result from more chemical weathering than physical weathering?
Smooth, and rounded mountains with gentle slopes.
|
|