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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

Pliocene - Miocene
2.588 - 23.03 Ma

ID: 1378448
Miocene-Pliocene sedimentary rocks

Age: Neogene (2.588 - 23.03 Ma)

Lithology: Sedimentary rocks

Reference: Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d. [18]

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.


Verhandlungen (1902) der Geologischen Bundesanstalt

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, special ed. 1972, pp. 76-79.

Zirkl, E.J. (1973): Ferrierit im Basalt von Weitendorf, Steiermark. N. Jb. Miner. Mh. 1973, 524-528.

Walter, F. & 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. & 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. & Bernhard, F. (2015): Ein neuerlicher Nachweis von Andradit aus dem Basaltsteinbruch von Weitendorf. Der Steirische Mineralog, 29, 41.

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