- In ore
deposit geology,
hypogene processes occur deep
below the Earth's surface, and tend to form
deposits of
primary minerals, as
opposed to supergene...
-
enrichment are
those that
occur relatively near the
surface as
opposed to deep
hypogene processes.
Supergene processes include the
predominance of
meteoric water...
-
originally formed at high
temperature deep
underground (i.e., they were of
hypogene origin).
Other precious metals such as
platinum form
nuggets in the same...
-
originally formed at high
temperature deep
underground (i.e., they were of
hypogene origin).
Nuggets are
usually 20.5 to 22
karat (k) purity,
meaning they...
-
overlying ore and its re-deposition and
replacement of the
deeper primary (
hypogene) sulfides. In 1957 the
Exotica deposit (South Mine) was
discovered beneath...
-
classify the rock
along with any
accessory minerals. In ore
deposit geology,
hypogene processes occur deep
below the Earth's surface, and tend to form deposits...
- Paleolítico Medio". {{cite journal}}: Cite
journal requires |journal= (help) "
Hypogene Speleogenesis and
Karst Hydrogeology of
Artesian Basins" (PDF). Archived...
-
water table and the
formation of
uranyl minerals.
Below the
water table,
hypogene ores
include uraninite (pitchblende), cobalt-nickel
sulfides and selenides...
-
although these oxidized deposits were
exhausted quickly. The
deeper sulfide (
hypogene) ore was much more
difficult to work and had to be
roasted prior to amalgamation...
- paco in
reference to
their ocre colour.
These corresponded to
oxidized hypogene sulphides above the
water table.
Repartimiento was also a
system of cyclical...