Element resistivity (microhms/cm/cm2) Silver 1.59 Copper 1.67 Gold

Element
resistivity
(microhms/cm/cm2)
Silver
1.59
Copper
1.67
Gold
2.35
Aluminum
2.65
Molybdenum
5.21
C b lt
Cobalt
6 24
6.24
Iron
9.71
Copper prices, London Metal Exchange, 1998-2008
$ / metric
t i tton
1998
2008
Modified from:
McMillan and
Panteleyev 1995
Panteleyev,
(AGS Digest 20)
From Wilkins and Heidrick, 1995 (AGS Digest 20)
Total copper production by mining
district (in millions of pounds)
From AZDMMR OFR-80-26
Resolution: 45000
Rosemont: 4800
Tom Myers on Cienega Creek recharge distribution
Summing the ET and flow, the total groundwater discharge from the upper Cienega
C kb
Creek
basin
i iis 5800 af/y.
f/ ...However,
H
it iis lik
likely
l th
thatt th
the mountain
t i bl
block
k and
d mountain
t i
front areas contribute the bulk of this recharge. This would reduce the contributory area
to about 1/3 of the total area and the rate would be about 1.5 in/y which include diffuse
recharge and recharge from the ephemeral channels. ... Applying this to the Rosemont
watershed
t h d area off 5200 acres, the
th total
t t l recharge
h
is
i 650 af/y.
f/
From: Myers, Tom, 2007, Hydrogeology of the Santa Rita Rosemont Project Site, Conceptual Flow Model and Water
Balance: Report released by Pima County Board of Supervisors