Karst Topography and Geological Features

The video tutorial discusses karst topography, a landscape formed by the dissolution of soluble rocks like limestone, dolomite, and gypsum. It highlights the ideal conditions for karst development and introduces various karst landforms such as terra rossa, lapies, sinkholes, dolines, uvalas, dripstones, hums, and helictites. Each landform is described in detail, explaining their formation and characteristics. The video concludes with a brief overview of the discussed topics.

What is the primary process responsible for the formation of karst topography?

• Erosion by wind

• Dissolution of soluble rocks

• Volcanic activity

• Sediment deposition

Which rock type is most commonly associated with karst landscapes?

• Sandstone

• Limestone

• Basalt

• Granite

What is terra rossa primarily composed of?

• Sandy soil

• Clay soil

• Peaty soil

• Silt soil

Which landform is characterized by a rugged surface formed in areas of high relief?

• Sinkhole

• Lapies

• Polje

• Uvala

What is the main cause of doline formation?

• Collapse of near-surface caves

• Volcanic eruption

• Erosion by wind

• River erosion

How are uvalas formed?

• By river erosion

• By the collapse of extensive roof sections

• By wind erosion

• By volcanic activity

What are dripstones primarily composed of?

• Magnesium sulfate

• Iron oxide

• Calcium carbonate

• Silica

Which feature extends downward in a cave?

• Hums

• Stalagmite

• Stalactite

• Helictite

What are hums analogous to in the fluvial cycle?

• Monadnock

• Delta

• Oxbow lake

• Floodplain

What unique shape do helictites often form?

• Conical mounds

• Flat sheets

• Spiral or loops

• Straight columns