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Rožná Hradisko, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic

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Latitude & Longitude (WGS84): 49° 28' 49'' North , 16° 14' 30'' East
Latitude & Longitude (decimal): 49.48028,16.24167
GeoHash:G#: u2g93xdgd
Other regions containing this locality:Moravia (Mähren; Maehren), Czech Republic
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Rožná Hradisko


Small abandoned quarry at the top of the Hradisko hill near Rožná village. This is the first opening of Rožná Li-pegmatite vein, where lepidolite is TL. Whole vein is over 1km long and has another outcrop on the top of the Borovina hill and some relicts could be found on the nearby fields.
Quarry was first mined for lepidolite in 19th century and during WWI. After 1919 mining was stopped and revived only during WWII for short mining of feldspar and quartz.
Locality is now abandoned and open for public collecting. Because it is well known, the site suffers from heavy load of collectors every year and therefore good specimens are more and more rare.


Mineral List


26 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Neoproterozoic
541 - 1000 Ma



ID: 3189974
Neoproterozoic crystalline metamorphic rocks

Age: Neoproterozoic (541 - 1000 Ma)

Lithology: Paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Precambrian
541 - 4000 Ma



ID: 3144646
Precambrian schist

Age: Precambrian (541 - 4000 Ma)

Description: high grade metamorphic

Lithology: Major:{schist group}, Minor{gneiss,migmatite/anatexite,amphibolite}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



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