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Žermanice Quarry, Frýdek-Místek, Moravia-Silesia Region, Czech Republic

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Latitude & Longitude (WGS84): 49° 44' 3'' North , 18° 26' 53'' East
Latitude & Longitude (decimal): 49.73417,18.44833
GeoHash:G#: u2v4gvcdt
Locality type:Quarry (Abandoned) - last checked 2018
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Žermanice


The Žermanice locality represents the best-exposed example of the meta-basaltoid/meta-gabbroic rock type of the teschenite association. It forms a subhorizontal volcanic body (sill) 27–30 m thick. The subvolcanic rock is inhomogeneous and slightly differentiated. The predominant rock type is a basaltoid (diabase-dolerite), medium-grained, speckled, mesocratic rock exhibiting an evident subophitic texture. Miarolitic cavities are abundant in some places. The major rock constituents are albite, microcline, chlorite, and pyroxene, as well as analcime and plagioclase in places. The accessory magmatic phases are biotite, ilmenite, fluorapatite, sulphides, Ti-rich magnetite, Nb-rich baddeleyite, and chevkinite–(Ce) or perrierite–(Ce). A large extent of alteration is evident from the presence of chloritization, albitization of plagioclases, and zeolitization (analcimization). 207Pb common lead-corrected U–Pb apatite dating yields a weighted mean age of 120.4 ± 9.6 Ma, which corresponds to the middle Aptian. The igneous body is at most ca. 10 Ma younger than the surrounding late Hauterivian sediments and might have been emplaced into unconsolidated or partly consolidated sediments.



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

Cretaceous
66 - 145 Ma



ID: 3188294
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Sedimentary rocks

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]

Early Cretaceous
100.5 - 145 Ma



ID: 3161514
Carpathians; Carpathian flysch

Age: Early Cretaceous (100.5 - 145 Ma)

Description: flysch (sediments)

Lithology: Major:{sandstone}, Minor{siltstone,claystone,carbonates, consolidated}

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



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

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- Kudělásek, V., Matýsek, D., Klika, Z.: Výskyty datolitu v oblasti hornin těšínitové asociace. Časopis pro mineralogii a geologii, 1987, roč. 32, č. 2, s. 169-175.
- Matýsek D., Jirásek J., Skupien P, Thomson S.N.: The Žermanice sill: new insights into the mineralogy, petrology, age, and origin of the teschenite association rocks in the Western Carpathians, Czech Republic. International Journal of Earth Sciences, doi: 10.1007/s00531-018-1614-x.

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