Altenbürg quarry 1a
Altenbürg quarry panorama
Ofnethöhlen and Riesbürg 2
Ofnethöhlen and Riesbürg 3
Ziswingen limestone quarry 1
Ziswingen limestone quarry 2
Ziswingen limestone quarry 3
Ziswingen limestone quarry 4
Ziswingen limestone quarry 5
Ziswingen limestone quarry 6
Ziswingen limestone quarry 7
Ziswingen limestone quarry 8
Ziswingen limestone quarry panorama
Aumühle quarry: Bunte Breccia and Suevite 1
Aumühle quarry: Bunte Breccia and Suevite 2
Aumühle quarry: Bunte Breccia and Suevite - close…
01 Baldinger Strasse
02 Baldinger Mauer looking west
03 Baldinger Mauer 2
04 Baldinger Mauer 3
05 Baldinger Mauer 4
06 View to Löpsinger Tor 1
07 Scheckengasse
08 Baldinger Mauer 5
09 Baldinger Mauer 6
10 Kirchturm Daniel
11 Mühlgasse
12 Der Eger Fluss - Löpsinger Mauer 1
13 Der Eger Fluss - Löpsinger Mauer 2
14 View to Löpsinger Tor 2
15 Bei der Neumühle 1
16 Bei der Neumühle 2
17 An der Löpsinger Mauer 7
18 Hotel Goldener Rose
Suevite in Altenbürg quarry
Altenbürg quarry 1
View over Nördlingen and the Ries crater
View north over Ofnethöhlen quarry
Ries crater view from Ofnethöhlen
Riesbürg view north to the Ipfberg
Ofnethöhlen and Riesbürg panorama
Ofnethöhlen and Riesbürg 1
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Suevite in Altenbürg quarry: close-up view
Ries Meteorite Crater Geopark.
Close-up view of suevite in the Altenbürg quarry located on the southwest crater rim.
Suevite is formed from the fallout of the partially melted and vaporised ejecta debris shot high into the atmosphere as a result of the meteorite impact when temperatures and pressures almost instantaneously reached 20,000°C and several million bar. The darker blue-grey fragments are partly devitrified glass with many small spherules formed from condensed liquid melt.
This quarry was crucial in the development of the correct understanding and interpretation of the Ries crater. The identification of coesite, stishovite (high temperature and pressure varieties of quartz) and diamond in the suevite enabled the latter to be identified as a meteorite impact ejecta blanket rather than of volcanic origin.
Close-up view of suevite in the Altenbürg quarry located on the southwest crater rim.
Suevite is formed from the fallout of the partially melted and vaporised ejecta debris shot high into the atmosphere as a result of the meteorite impact when temperatures and pressures almost instantaneously reached 20,000°C and several million bar. The darker blue-grey fragments are partly devitrified glass with many small spherules formed from condensed liquid melt.
This quarry was crucial in the development of the correct understanding and interpretation of the Ries crater. The identification of coesite, stishovite (high temperature and pressure varieties of quartz) and diamond in the suevite enabled the latter to be identified as a meteorite impact ejecta blanket rather than of volcanic origin.
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