Conodont dating of the Middle Ordovician breccia cap-rock limestone on Osmussaar Island, northwestern Estonia

Various mechanisms have hitherto been suggested to explain the formation of the Kundan (Middle Ordovician) Osmussaar Breccia in northwestern Estonia. Following the recent discovery of L-chondritic chromite in these peculiar, sand-penetrated strata, it seems plausible that the breccia is impact-relat...

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Bibliographic Details
Main Authors: Johanna I. S. Mellgren, Birger Schmitz, Leho Ainsaar, Kalle Kirsimäe, Mats E. Eriksson
Format: Article
Language:English
Published: Estonian Academy Publishers 2012-08-01
Series:Estonian Journal of Earth Sciences
Subjects:
Online Access:http://www.kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2012/issue_3/earth-3-2012-133-148.pdf