The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
one of the classes of hydro-thermal deposits of useful minerals, formed at a maximum depth at high temperature (300° C to 500° C) and pressure. Hypothermal deposits were first defined by the American geologist W. Lindgrem in 1907.
REFERENCESSmirnov, V. I. Geologiia poleznykh iskopaemykh, 2nd ed. Moscow,1969.
V. I. SMIRNOV
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.