Research Catalog

Orbicular rocks in Finland / edited by Seppo I. Lahti ; with contributions by Paula Raivio and Ilkka Laitakari.

Title
Orbicular rocks in Finland / edited by Seppo I. Lahti ; with contributions by Paula Raivio and Ilkka Laitakari.
Publication
[Espoo, Finland] : Geological Survey of Finland, c2005.

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Additional Authors
  • Lahti, Seppo I.
  • Raivio, Paula
  • Laitakari, Ilkka.
Description
177 p. : col. ill., col. maps; 31 cm.
Summary
The orbicular rocks of Finland are various plutonic rocks. In this publication 29 bedrock and 61 boulder occurrences are described. Solitary boulders and boulder fans of orbicular rock are evidently derived from at least 50 separate bedrock occurences. Most of the orbicular rocks are recorded from Proterozoic bedrock (age 1.50-1.90 Ga), with relatively few discoveries from the Archaean basement areas (age 2.50-3.20 Ga). In addition, orbicular carbonatite has been encounteered in the late Devonian Sokli carbonatite intrusion (age 365 Ma).
Subject
  • From 570 million to 2 billion years ago
  • Geology > Finland
Bibliography (note)
  • Includes bibliographical references (p. 176-177).
Processing Action (note)
  • committed to retain
ISBN
9516909116
OCLC
  • 60747602
  • SCSB-10180116
Owning Institutions
Harvard Library