Læså Formation: Difference between revisions
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[[File:Ekkodalen - Læså.jpg|thumb|Læså running through the meadow in the bottom of Ekkodalen on the island of Bornholm, Denmark]] |
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{{Infobox rockunit |
{{Infobox rockunit |
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| period = Lower Cambrian |
| period = Lower Cambrian |
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Revision as of 17:04, 4 July 2021
| Læså Formation | |
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Stratigraphic range: | |
| Type | Geological formation |
| Sub-units | Broens Odde Member, Rispebjerg Member |
| Overlies | Hardeberga Formation |
| Thickness | approx. 103 metres (340 ft) |
| Location | |
| Region | Bornholm |
| Country |  Denmark |
The Læså Formation is a lower Cambrian unit exposed on the Baltic island Bornholm, comprising two members: the lower, the Broens Odde Member, colloquially and previously informally termed "green shales" (Grønne Skifre), a 100 m thick glauconitic silt-sandstone occasionally bearing extremely acritarch-rich phosphatic pebbles;[1] gradually transitioning upwards into the upper, the 3 m thick Rispebjerg Member, a sandstone.[2]
References
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