Epithermal Deposit

epithermal deposit

[¦ep·ə′thər·məldə′päz·ət]
(geology)
Ore deposit formed in and along openings in rocks by deposition at shallow depths from ascending hot solutions.

Epithermal Deposit

 

a type of hydrothermal mineral deposit formed at shallow depths at moderate pressures and comparatively low temperatures (200°–50°C). Epithermal deposits were identified by the American geologist W. Lindgren in 1907.

References in periodicals archive ?
The 2016 field work included 77 kilometers (km) of induced polarization surveys over four porphyry copper deposit targets nearby to IKE, 1,258 talus fine samples collected over these and three more newly emerging porphyry copper and precious metal epithermal deposit targets, and 130 [km.
In addition, a combination of consistent stratigraphy and a strong continuous structural environment makes the Tenoriba project highly prospective to host a significant epithermal deposit," stated Ian Foreman, P.
Most western readers will recognize orogenic, intrusion-related, skarn, and Carlin-type deposits as being described within the first three groups of host rocks, and the epithermal deposit types as being discussed within the volcanic rock-related section of the book.
The post-accretion extensional setting in the Mongol-Okhotsk belt possesses some similarities to that of the late Paleozoic through Jurassic Gondwana margin[15], which is characterized by major gold concentrations such as the Cerro Vanguardia low-sulphidation epithermal deposit, Argentina, and the Kidston orthomagmatic breccia pipe, Queensland, Australia.
The La Zanja property, another epithermal deposit amenable to open-pit mining and heap leaching, has a resource expected to reach in oz this year.
It is generally accepted that the cap of an epithermal deposit with the richest gold content is emplaced quite near the surface (but is not necessarily confined to a small vertical interval).