Problems with the placer model for Witwatersrand gold
GN Phillips, RE Myers, JA Palmer�- Geology, 1987 - pubs.geoscienceworld.org
… The model, however, does not predict the other major economic association (gold-uranium-carbon),
and explanations for this widespread association become rather contrived (eg, algal …
and explanations for this widespread association become rather contrived (eg, algal …
Determining the source of placer gold in the Anaconda metamorphic core complex supradetachment basin using detrital zircon U-Pb geochronology, western�…
CJ Howlett, AK Laskowski�- Geosphere, 2021 - pubs.geoscienceworld.org
… significance of gold placer deposits, modern provenance studies of placer sediments … in
placer deposits. We then evaluate the provenance of the zircon to assess whether the gold might …
placer deposits. We then evaluate the provenance of the zircon to assess whether the gold might …
Stable isotope compositions of quartz pebbles and their fluid inclusions as tracers of sediment provenance: Implications for gold-and uranium-bearing quartz pebble�…
TW Vennemann, SE Kesler, JR O'Neil�- Geology, 1992 - pubs.geoscienceworld.org
… Barton, JM, Jr., Wenner, DB, and Hallbauer, DK, 1989, Use of l8 0 / 1 6 0 data for assessing
provenance of the fossil gold placers from South Africa: Geological Society of America …
provenance of the fossil gold placers from South Africa: Geological Society of America …
URANIUM EMPLACEMENT IN THE COLORADO PLATEAU: (Vice-Presidential Address, Section E, American Association for the Advancement of Science�…
PF Kerr�- Geological Society of America Bulletin, 1958 - pubs.geoscienceworld.org
… solutions associated with uranium emplacement. Chrome-… impregnated with uranium
indicate uranium emplacement at … mium micas associated with the hydrothermal gold deposits. …
indicate uranium emplacement at … mium micas associated with the hydrothermal gold deposits. …
The crustal heritage of silver and gold ratios in Arizona ores
SR Titley�- Geological Society of America Bulletin, 1987 - pubs.geoscienceworld.org
… to this time, although the province has been a region of major production of uranium ores. …
whereas oxidized, gold-rich ores, together with the predominance of gold placer product ion in …
whereas oxidized, gold-rich ores, together with the predominance of gold placer product ion in …
[CITATION][C] Paleoplacer uranium, gold
SM Roscoe�- …�of Canadian mineral deposit types, 1996 - Geological Society of America, The�…
[CITATION][C] Comment and Reply on" Problems with the placer model for Witwatersrand gold"
ND Smith, GN Phillips, RE Myers, JA Palmer�- Geology, 1989 - pubs.geoscienceworld.org
… Minter, WEL, 1978, A sedimentological synthesis of placer gold, uranium and pyrite
concentrations in Proterozoic Witwatersrand sediments, in Miall, AD, ed., Fluvial sedimentology: …
concentrations in Proterozoic Witwatersrand sediments, in Miall, AD, ed., Fluvial sedimentology: …
The Geological Society of America Field Guide 37 2014
N Oyer, J Childs, JB Mahoney�- Exploring the Northern Rocky�…, 2014 - books.google.com
… gold poured since 1983, and current proven and probable reserves of 318000 ounces of
gold, GSM is the largest gold … Uranium-lead geochronologic analysis has been hampered by …
gold, GSM is the largest gold … Uranium-lead geochronologic analysis has been hampered by …
Proterozoic uranium deposits and the Precambrian atmosphere
FF Langford�- Geological Society of America Memoirs, 1983 - pubs.geoscienceworld.org
… The formation and preservation of uranium placer deposits was on a much larger scale in …
The D zone at Cluff Lake has uranium and considerable selenium and gold; Key Lake and …
The D zone at Cluff Lake has uranium and considerable selenium and gold; Key Lake and …
Metal provinces of the western United States
JA Noble�- Geological Society of America Bulletin, 1970 - pubs.geoscienceworld.org
… Uranium and vanadium are omitted because … gold for the whole map area. (The total amount
of scattered Fourth and Fifth Order production is difficult to estimate; moreover, placer gold …
of scattered Fourth and Fifth Order production is difficult to estimate; moreover, placer gold …