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Rudice (Ruditz), Blansko, South Moravia Region, Czech Republic

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Latitude & Longitude (WGS84): 49° 19' 57'' North , 16° 43' 1'' East
Latitude & Longitude (decimal): 49.33250,16.71694
GeoHash:G#: u2gbsksyt
Other regions containing this locality:Moravia (Mähren; Maehren), Czech Republic
Köppen climate type:Cfb : Temperate oceanic climate


Rudice is a village and municipality (obec) in Blansko District in the Jihomoravský Region.

Ancient iron mining area.

Source of geodes known as cacholong or kalmuck agate, but common opal and not agate.

"The most attractive geodes come from the Rudice Formation – claystones with lenses of limonitic iron ores, quartz sandstones and chert gravels that originated by weathering especially of the Jurassic sediments under tropical conditions in the Lower Cretaceous. The Rudice Formation is situated just in the Jurassic limestones in the Moravian Karst." (RICHTEROVÁ et al., 2001).


Mineral List


10 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

Carboniferous
298.9 - 358.9 Ma



ID: 3185913
Paleozoic sedimentary rocks

Age: Carboniferous (298.9 - 358.9 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 Carboniferous
323.2 - 358.9 Ma



ID: 3160843
Moravian Kulm

Age: Mississippian (323.2 - 358.9 Ma)

Description: flysch (sediments)

Lithology: Major:{sandstone}, Minor{conglomerate,siltstone,shale/slate}

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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Richterová, D., Přichystal, A., Losos, Z. (2001) Moravian Jurassic Geodes and their Geological Significance. GeoLines 13, p. 106. (http://geolines.gli.cas.cz/fileadmin/volumes/volume13/G13-106.pdf)

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