Corroded hydrothermal quartz in Ordovician altered volcanic ash beds of the Baltoscandian Region
Partly dissolved prismatic quartz crystals have been found in an Upper Ordovician volcanic ash bed of the Vasagård section on Bornholm, Denmark. Similar crystals occur also in a volcanic ash in the Adze Formation of the Aizpute core, Latvia. Although biostratigraphic data are insufficient for the co...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Estonian Academy Publishers
2009-12-01
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| Series: | Estonian Journal of Earth Sciences |
| Subjects: | |
| Online Access: | http://eap.ee/public/Estonian_Journal_of_Earth_Sciences/2009/issue_4/earth-2009-4-268-272.pdf |