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Orbicular Rocks in Finland
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).
Scientific and Technical Aerospace Reports
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Environmental Ecology and Technology of Concrete
This book volume is a collection of selected papers from the International Symposium on Ecological Environment and Technology of Concrete (EETC-2005), which was held on the 6th to 8th June 6 - 8, 2005, at Urumchi, XinJiang, China.
Portlandsementin hydrataatio
Abstract: Hydration of Portland cement.
