Lake Lappajärvi
Subtitle: a meteorite impact site in western Finland
By: by Martti Lehtinen.
Series: Bulletin - Geological Survey of Finland ;
Publisher: Geologinen tutkimuslaitos
Published: 1976
Place of publication: Espoo
Language: eng
Number of pages: 92
Subjects: Cryptoexplosion structures -- Finland.
Notes: Bibliography: p. [85]-92.
Table of contents: title: Introduction
pagenum: 5; title: Shock metamorphism: A general account
pagenum: 5; title: Lake Lappajärvi area
pagenum: 9; title: Location, size and topography
pagenum: 9; title: Geology of the environment
pagenum: 13; title: Geophysical investigations
pagenum: 14; title: Rocks of shock-metamorphic origin
pagenum: 16; title: Petrography
pagenum: 17; title: Impact breccia
pagenum: 17; title: Suevite
pagenum: 18; title: Kärnäite
pagenum: 22; title: Amount of kärnäite
pagenum: 29; title: Stages of shock metamorphism
pagenum: 30; title: Mineralogy
pagenum: 31; title: Quartz
pagenum: 32; title: Coesite
pagenum: 38; title: Feldspars
pagenum: 45; title: Alkali feldspars
pagenum: 46; title: Microscopic investigation
pagenum: 46; title: X-ray diffractograms
pagenum: 49; title: Infrared absorption
pagenum: 55; title: Discussion
pagenum: 57; title: Plagioclase
pagenum: 58; title: Biotite and muscovite
pagenum: 63; title: Spinel
pagenum: 66; title: Sillimanite
pagenum: 68; title: Apatite
pagenum: 69; title: Garnet
pagenum: 70; title: Zircon, sulfide minerals and graphite
pagenum: 71; title: Secondary minerals
pagenum: 72; title: Chemistry
pagenum: 73; title: Rocks
pagenum: 73; title: Cobalt and nickel in the rocks
pagenum: 76; title: Radiometric dating
pagenum: 78; title: Summary and conclusions
pagenum: 80; title: Acknowledgments
pagenum: 84; title: References
pagenum: 85