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 …

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 …

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 …

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. …

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 …

[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: …

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 goldUranium-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 …

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