-
helped increase copper production in Kyshtym, Russia,
through the use of
pyritic smelting. He also
agreed to
manage a
separate mine in the
Altai Mountains...
- A
fossil specimen of the
trilobite Triarthrus eatoni from the
Beechers Beds,
showing the
sites characteristic pyritic preservation style....
- Limb Valley.
Copperas (iron(II) sulfate) was
manufactured here from the
pyritic Ringinglow coal seam,
mined nearby. The
copperas solution was used in the...
-
National Library of Canada, May 2000 Shrimer, F. and Bromley, AV (2012) "
Pyritic Heave in Ireland".
Proceedings of the
Euroseminar on
Building Materials...
-
atmosphere or can be
washed out. In warm climates, it is
possible to
leave pyritic ore out in the rain. The
combined action of rain, bacteria, and heat oxidize...
-
tended to be
pyritic ore. The gold was
difficult to
extract from such ores. A
process known as
chlorination was once used to
treat pyritic gold ore. Typically...
- and dolomitic",
while the
shale beds are "grey to black, hard, platy,
pyritic, organic, and very siliceous". The
Mississippian Limestone ranges from...
- tellurium. In the gold rush of 1893,
miners in
Kalgoorlie discarded a
pyritic material as they
searched for pure gold, and it was used to fill in potholes...
-
having soft
tissue preservation, and in many
cases fossils are
coated by a
pyritic surface layer. Gogo
Formation 380 Ma (Frasnian)
Western Australia The fossils...
- slow down in the 1880s, as the new
deposits being found tended to
contain pyritic ore. The gold
could not be
extracted from this
compound with any of the...
