Silurian bentonites in Lithuania: correlations based on sanidine phenocryst composition and graptolite biozonation – interpretation of volcanic source regions
Integrated correlation of bentonites (altered volcanic ashes) and graptolite biozonation is presented. Detailed study of two Lithuanian drill core sections extended previous knowledge of the occurrence and composition of bentonites to the south. Identification of graptolite species allowed bentonite...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Estonian Academy Publishers
2014-02-01
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Series: | Estonian Journal of Earth Sciences |
Subjects: | |
Online Access: | http://www.kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2014/issue_1/earth-2014-1-18-29.pdf |