mountains
mountains carved out by extensive wearing away, usually from a plateau
What are erosional mountains
broad, flat-topped hills remaining from erosion
What are mesas
an arch of rock layers
What is an anticline
steep-walled valleys lined wth high cliffs rising from faults parallel to the valley
What are rifts
tall spires of rock that are all that remain of an eroded plateau.
What are pinnacles
domed rock islands standing in a flat plain. residue from an ancienc magma chamber
What are moadnocks
smaller flat-topped hills
What are buttes
downward folded rock strata
What are synclines
a low area in the center of the rift where rocks cracked and dropped
What are grabens
a map that shows topography using thematic colors, shading, contour lines or some other method
What is a relief map
sediment built up on land
What are depositional mountains
broad regions of relatively undisturbed sediment lifted by some tectonic process
What are plateaus
large portions of rock broken along a fault and rose or subsided, folding the strata above the fault into a single step
What is a monocline
deposit of eroded earth materials
What is sediment
to stand still. not rising or falling
what is isostasy
mountains that formed from folded rock strata
What are fold mountains
The opposite of a dome, sagging into a bowl-shaped structure
What is a basin
a variety of elevations arranged in different ways
What is topography
a natural elevation of the earth's surface rising more or less abruptly to a summit
What is a mountain or a hill
the way to make mountains through a tectonic process
orogeny
actual height of a mountain in relation to how mountainous or hilly a region is
What is a relief
long, low ridges of glacial till that form mostly at the front and sides of glaciers
What are moraines
mountains formed by deposited magma
What are volcanic mountains
the measurement of a mountain about sea level
What is elevation
the top point of a hill or mountain
What is the summit