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A device for core sampling from the walls of deep boreholes

✍ Scribed by N. P. Ryashentsev; V. K. Svirshchevskii

Publisher
Springer
Year
1969
Tongue
English
Weight
140 KB
Volume
5
Category
Article
ISSN
1573-8736

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✍ JiΕ™ina TrčkovΓ‘; Roman Ε½ivor; Richard PΕ™ikryl πŸ“‚ Article πŸ“… 2002 πŸ› John Wiley and Sons 🌐 English βš– 479 KB

## ABSTRACT Laboratory tests of physical and mechanical properties were performed on amphibolites representing two units from the Kola Superdeep Borehole KSDB‐3 (Russia)β€ƒβˆ’β€ƒthe Proterozoic Karelian Complex (depths of 3043 m, 3530 m and 4389 m) and the Archean Kola–Belomorian Complex (depths of 7951