xenothermal

xenothermal

[¦zēn·ə¦thər·məl]
(mineralogy)
Pertaining to a mineral deposit formed at high temperature but at shallow to moderate depth.
References in periodicals archive ?
The northern portion of the belt hosts primarily hypothermal and mesothermal deposits, whereas the southern and central sections are characterized by xenothermal mineralization, of which Cerro Rico is a prime example.
Metallogenically the silver is primarily epithermai whereas the tin mineralization was xenothermal.