Limestone Landscapes

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Information about Limestone Landscapes

Published on November 19, 2008

Author: maliadamit

Source: slideshare.net

Description

Rock & Weathering (Paper 1)

Surface landforms: Pavement Swallow (sink) hole limestone features. Subsurface features clints/grykes Stalagmites Stalactites Caverns Gorges

Characteristics of limestone Inputs Sedimentary rock Jointed Calcium carbonate Pervious Processes Chemical weathering Outputs (features) Pavement clints/grykes Swallow (sink) hole Stalagmites Stalactites Caverns Gorges

Inputs

Sedimentary rock

Jointed

Calcium carbonate

Pervious

Processes

Chemical weathering

Outputs (features)

Pavement

clints/grykes

Swallow (sink) hole

Stalagmites

Stalactites

Caverns

Gorges

Features (1) Swallow hole - An exposed limestone joint down which a surface river 'dis appears'. (2) Clints and grykes - Rainwater flowing over an impermeable surface will, on reaching (permeable) limestone, be able to dissolve the joints into grooves called grykes, leaving blocks or clumps of limestone in between called clints (3) Limestone pavements - Exposed clints and grykes. (4) Stalactite - Water dripping from the roofs of caves leave behind microscopic particles of calcium carbonate. These build up as icicle shaped stalactites. (5) Stalagmite - Drips splashing onto the cave floor create stalagmites.

(1) Swallow hole - An exposed limestone joint down which a surface river 'dis appears'.

(2) Clints and grykes - Rainwater flowing over an impermeable surface will, on reaching (permeable) limestone, be able to dissolve the joints into grooves called grykes, leaving blocks or clumps of limestone in between called clints

(3) Limestone pavements - Exposed clints and grykes.

(4) Stalactite - Water dripping from the roofs of caves leave behind microscopic particles of calcium carbonate. These build up as icicle shaped stalactites.

(5) Stalagmite - Drips splashing onto the cave floor create stalagmites.

Formation.

 

 

 

 

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