Biology and Geology 4. Secondary Education

THE LANDFORMS CREATED BY KARST MODELLING

The modelling of landformsUNIT

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The landforms created by karst modellingUNIT

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Sink holes

Doline

Polje

TorcaInfiltration of water through the limestone

Underground riverWater table

Impermeable layer of rock

Limestone

Canyon

Lapies

Cavern

Biology and Geology 4. Secondary Education

El modelado litoralUNIT

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8 El modelado litoralUNIT

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8 El modelado litoralUNIT

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Sink holes

Doline

Polje

TorcaInfiltration of water through the limestone

Underground riverWater table

Impermeable layer of rock

Limestone

Canyon

Lapies

Cavern

Click on the yellow labels to learn more about each landform created by

karst modelling

The landforms created by karst modellingUNIT

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Biology and Geology 4. Secondary Education

Karrens or lapies are areas of very rugged terrain, full of grooves and channels, generally with sharp edges.

Lapies

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The landforms created by karst modellingUNIT

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Biology and Geology 4. Secondary Education

Dolines are funnel-shaped depressions which form in areas on the surface of the mass where water accumulates.

Doline

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The landforms created by karst modellingUNIT

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Biology and Geology 4. Secondary Education

Poljes are large depressions formed by several sinkholes running together.

Polje

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The landforms created by karst modellingUNIT

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Biology and Geology 4. Secondary Education

Torcas are enormous cavities with very vertical walls, which are formed when the inside of the mass is so hollowed-out that the surface (the roof of the cavities) collapses.

Torca

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The landforms created by karst modellingUNIT

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Biology and Geology 4. Secondary Education

Ravines or canyons are deep channels with vertical walls.

Ravines are shaped in a curve and canyons are straighter.

Canyon

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The landforms created by karst modellingUNIT

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Biology and Geology 4. Secondary Education

The systems of cavities of a karst mass are composed of horizontal tunnels (galleries) and vertical shafts (potholes) or the large cavities that are formed when the systems of potholes and galleries widen and join together (caverns).

Cavern

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The landforms created by karst modellingUNIT

11

Biology and Geology 4. Secondary Education