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Science chapter 7
| Term | Definition |
|---|---|
| Isostasy | A term geologists use to describe the balance of the weights of rock, water, and ice, and the upward force of the mantle |
| Elevation | The height of a mountain peak above the mean sea level |
| Relief | A region having mountains and valleys is an example with a great relief |
| Mid– Atlantic Ridge | Home of the longest and most extensive mountain system on the earth |
| Buttes | An erosion all remnant of a plateau |
| Fins | Landforms that looks like fish fins |
| Monadnock | Formed by rising magma and erosion |
| Volcanoes | Depositional mountain with vent for magma to escape |
| Orogeny | The geological history of the origin of mountains through tectonic processes |
| Mountains and hills | The difference between them is height and local/ historical traditions |
| Mesa | Flat-topped hill with steep sides |
| Elevation vs. actual height | Elevation is measurement of mountain from MSL. Actual height is measurement from base of mountain to summit |
| Countour lines | When they are close together, they show steep incline. Further apart indicates gradual incline/slope |
| Noah's Flood | Many of the erosional remnants of plateaus,may have been created when water drained off the land and eroded away the softer materials that had not yet hardened into rock |
| Monocline | Convergent land form. Strata broke along a fault line and fell down forming a step |
| Grabens | Divergent land form. Found in the center of a rift where rocks cracked and dropped downward |
| Basin | Subsidence landform. Formed when magma chamber emptied and rock strata sagged into a bowl-like structure |
Created by:
Kaylee2002
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