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Unnamed quarry ("Andradite quarry"), Kottaun, Geras, Waldviertel, Lower Austria, Austria

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Latitude & Longitude (WGS84): 48° 50' 6'' North , 15° 40' 10'' East
Latitude & Longitude (decimal): 48.83500,15.66944
GeoHash:G#: u2ejud4hk
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Unbenannter Steinbruch ("Andraditbruch"), Kottaun, Geras, Waldviertel, Niederösterreich, Österreich


A small temporary quarry was started in 2012 about 1.3 km NNE of Kottaun, at a forestry road. Exposed were regional metamorphic, skarn-like rocks, mainly garnetite (andradite) plus magnetite and hedenbergite. The mineralisation is similar to that of the nearby Arzberg locality.
Now (spring 2013) the quarry is already filled in again; only about 1,5 m of the quarry wall are accessible, although various large and small boulders are still present.


Mineral List


24 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

Silurian - Neoproterozoic
419.2 - 1000 Ma



ID: 3153077
Bohemian Massif (Böhmische Masse)

Age: Neoproterozoic to Silurian (419.2 - 1000 Ma)

Description: undifferentiated metamorphic

Lithology: Major:{gneiss}, Minor{mica schist,phyllite,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]

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]

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



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kolitsch, U., Knobloch, G., Schillhammer, H. & Löffler, E. (2013): 1814) Aikinit, Albit, Amphibol, Andradit, Azurit, Chalkopyrit, Epidot, Hedenbergit, Hyalith, Magnetit, Malachit, Scheelit, Titanit und Quarz aus einem neuen, kleinen Steinbruch nördlich Kottaun bei Geras, Waldviertel, Niederösterreich. Pp. 127-128 in Niedermayr, G. et al. (2013): Neue Mineralfunde aus Österreich LXII. Carinthia II, 203./123., 91-146.
Kolitsch, U. (2014): 1883) Bismutit, Fluorapatit, Fluorit, Galenit, Hydroxycalcioroméit(?), Kettnerit, Oxyplumboroméit, Pyromorphit, Tetraedrit, gediegen Wismut(?) und Wittichenit aus dem neuen, kleinen Steinbruch („Andradit-Bruch“) nördlich Kottaun, Geras, Waldviertel, Niederösterreich Pp. 117-119 in Niedermayr, G. et al. (2014): Neue Mineralfunde aus Österreich LXIII. Carinthia II, 204./124., 65-146.

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