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Sandstone outcrops

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Sietiņiezis Cliff (White Sandstone Cliff), Sietiņiezis, Gaujas nacionālais parks, Smilšakmens atsegumi

Sietiņiezis Cliff (White Sandstone Cliff)

Code: A-342-21
Author: Aivars Gulbis
Photo taken on June 6, 2021
FREE 888 x 1000 px
72 dpi
384 KB
S 1165 x 1748 px
9.87 x 14.8 cm / 300 dpi
MB
M 2000 x 2254 px
16.93 x 19.08 cm / 300 dpi
L 4000 x 4507 px
33.87 x 38.16 cm / 300 dpi
17.1 MB
XL 2 5961 x 6717 px
50.47 x 56.87 cm / 300 dpi
31.4 MB

Sandstones are sedimentary rocks composed of tiny sand-sized particles.


An outcrop or rocky outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth.

Features
Outcrops do not cover the majority of the Earth's land surface because in most places the bedrock or superficial deposits are covered by a mantle of soil and vegetation and cannot be seen or examined closely. However, in places where the overlying cover is removed through erosion or tectonic uplift, the rock may be exposed, or crop out. Such exposure will happen most frequently in areas where erosion is rapid and exceeds the weathering rate such as on steep hillsides, mountain ridges and tops, river banks, and tectonically active areas. In Finland, glacial erosion during the last glacial maximum (ca. 11000 BC), followed by scouring by sea waves, followed by isostatic uplift has produced a large number of smooth coastal and littoral outcrops.

Bedrock and superficial deposits may also be exposed at the Earth's surface due to human excavations such as quarrying and building of transport routes.
en.wikipedia.org

Sietiņiezis Cliff (White Sandstone Cliff)

Code: A-342-21
Author: Aivars Gulbis
Photo taken on June 6, 2021
FREE 888 x 1000 px
72 dpi
384 KB
S 1165 x 1748 px
9.87 x 14.8 cm / 300 dpi
MB
M 2000 x 2254 px
16.93 x 19.08 cm / 300 dpi
L 4000 x 4507 px
33.87 x 38.16 cm / 300 dpi
17.1 MB
XL 2 5961 x 6717 px
50.47 x 56.87 cm / 300 dpi
31.4 MB
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