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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria

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Latitude & Longitude (WGS84): 46° 53' 44'' North , 15° 26' 43'' East
Latitude & Longitude (decimal): 46.89556,15.44528
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Basaltbruch, Weitendorf, Wildon, Graz, Steiermark, Österreich

A quarry in andesitic basalt.
Famous for nice chalcedony, aragonite, and zeolites (e.g., ferrierite).
Located at N46.89545 E15.44513, about 1.5 km west of Weitendorf (west of Wildon and around 17 km south of Graz).

You may also find fossils like Turritella, Athleta and Tibia Dentata at this quarry. Situation 2016: Fossils occur again in a freshly excavated spot, within dense clay.

Mineral List

20 valid minerals.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

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

0 - 66 Ma

ID: 3185279
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 66 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]

5.333 - 23.03 Ma

ID: 3144553
Miocene marl

Age: Miocene (5.333 - 23.03 Ma)

Lithology: Major:{marl}, Minor{sand,gravel}

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, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on 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 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.


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Verhandlungen der Geologischen Bundesanstalt (1902).
Sigmund, A. (1923) Neuer Beitrag zur Kenntnis des Basalts von Weitendorf (Steiermark) und der Minerale in seinen Hohlräumen. Mitteilungen des naturwissenschaftlichen Vereins für Steiermark 59, 76- 87. []
Sigmund, A. (1923) Neue Mineralfunde in der Steiermark- Mitteilungen des naturwissenschaftlichen Vereins für Steiermark 60, 7-11. [Darin: 73. Phillipsit, Citrin, Manganschwärze und Basaltjaspis im Basalt von Weitendorf []
Der Aufschluss (1972) special ed., pp. 76-79.
Zirkl, E.J. (1973) Ferrierit im Basalt von Weitendorf, Steiermark. Neues Jahrbuch für Mineralogie, Monatshefte 1973, 524-528.
Walter, F. and Postl, W. (1982) Tief-Cristobalit aus dem Basalt von Weitendorf, Steiermark. Mitt. Abt. Landesmuseum Joanneum, 50, 21-24.
Zirkl, E. (1986) Rasterelektronenmikroskopische Aufnahmen von Ferrierit aus dem Basalt von Weitendorf in der Steiermark. Mitt. Abt. Landesmuseum Joanneum, 54, 15-22.
Armbruster, T., Wenger, M., and Kohler, T. (1991) Mischkristalle von Klinoptilolith-Heulandit und Harmotom-Phillipsit aus dem Basalt von Weitendorf, Steiermark. Mitt. Abt. Landesmuseum Joanneum, 59, 13-18.
Offenbacher, H. (1992) Zepterquarz vom Basaltsteinbruch Weitendorf. Der Steirische Mineralog, 5, 13-14.
Taucher, J. (1998) 1149: Carbonat-Fluorapatit auf Calcit aus dem Basaltsteinbruch Weitendorf, bei Wildon, Steiermark. In: Niedermayr, G. et al. (1998): Neue Mineralfunde aus Österreich XLVII. Carinthia II, 188/108, 257.
Postl, W. and Bernhard, F. (2015) Ein neuerlicher Nachweis von Andradit aus dem Basaltsteinbruch von Weitendorf. Der Steirische Mineralog, 29, 41.

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