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The mechanical breakdown of rock into smaller pieces without a change in the mineral's composition
Water freezes in a crack of rock surface, expanding and splitting the rock. Alternate freezing and thawing form pot holes and frost heave.
Plants and animals
Plant roots force their way into cracks, and ____ expose rocks to the surface by digging.
Pieces of rock collide with each other due to transportation by wind, ice, water, and gravity
The process by which chemicals breakdown rock through a change in its composition. Happens fastest in hot and moist climates
Water combines with minerals such as mica and feldspar found in granite, to form clay, the rock weakens and crumbles apart.
Parent material has been carried from elsewhere and deposited. Soil is also a different composition than where it is found
Climates that have thin soils, high in mineral content, low in organic matter. (Grand canyons, plateaus)
So tiny that they take a very long time to settle. They tend to "hang" in the water (clay, silt, sand)
Larger sediments that are too big to be lifted so they bounce, roll, or are pushed along. (Abrasion is found when this happens)
Stream that has v-shaped valleys, rapids/waterfalls, steep slopes, no flood plains, and valleys are deepened
Stream where divides begin to round off, sediments build up, flood plain widens, and river begins to meander
A stream with very wide flood plains, land worn down to flat surface, pronounced river meanders, and oxbow lakes.
Wind carries small sediments, occurs mainly in deserts and along coastlines. Looks pitted and frosted. Freckles.
Because waves strike the shore at an angle, the water near shore is pushed in one direction along the shore causing this. Sediments are carried in the same direction as the current
Mass of ice and snow. These are influenced by accumulation of ice and snow. Looks like there are scratches and grooves. Sediments are very unsorted. Form U-shaped valleys
Process by which sediments are released, settled from or dropped from an erosional system. It occurs when the stream velocity decreases
Deposition takes place on the side of the grain that the long-shore current is coming from
Occurs when a stream enters a lake; as kinetic energy decreases, the large, rounder, high density sediments are deposited near the mouth of the stream.
Long winding ridges of sand and gravel typically oriented parallel to ice flow. They were deposited by glacial melt water, in, on, or beneath the ice
Mounds or hills are created when drift fill a hole in a glacier. When the glacier recedes the mound is left behind
Formed when large blocks of ice break from the face of the glacier and are buried in sediment. when these blocks melt, they leave circular depressions.
Melted water that washes out from under the glacier carrying sediments. Sorting will occur with a decrease in velocity.
Very small solid particles that are too small to be seen with an ordinary microscope, and too light to settle in water. Even in calm water they will stay suspended.
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