S03. Sandstone - Aeolian - Cumbria
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Fact sheet
Description: 

Exhibits differences between monocrystalline and polycrystalline quartz. A well-sorted aeolian sandstone with sub-rounded to rounded grains with iron-coating. Quartz cement as quartz overgrowths. Line contacts and some curved contacts (effect of burial pressure). Uneven porosity distribution due to lamination.  The Penrith Sandstone Formation dates from 271 to 299 million years ago (Permian) The local environment was dominated by wind blown deposits.

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Timescale:
Not known
Ma = Millions of years ago
In Focus
Type:
Type: 
sedimentary
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