... examine and characterize the morphology and chemistry of the Au at Purdy’s Reward, determine if there is any ultrafine Au in the sequence, and investigate the conglomerate sedimentology and clast lithogeochemistry. We also consider possibilities of a link between the Pilbara and Witwatersrand deposits...

...Frank W. Beales ABSTRACT This note provides an outline which will aid the planning of a most rewarding field trip for small private parties, at reasonable cost, to the Bahama Banks and Florida Keys. References, approximate current costs, and addresses are provided. The presence of an experienced...

... for site characterization is more speculative than development of new means for locating and characterizing petroleum deposits. To counter these problems, effort should be directed toward existing techniques that can be quickly scaled to environmental problems, and techniques which have a high probability...

... basin configuration and the depositional environments for certain types of limestones, and to assess proximity to reefs or reef-prone areas. Much information has accumulated in recent years regarding the composition and texture of limestones. But relatively little is known about the nature...

... studied Lansing strata from outcrops in eastern Kansas. Harbaugh (1959 , 1960a , b , 1962 , 1964 ) and Heckel (1968 , 1969 , 1972 , 1975a , b , 1977 ) have contributed many excellent papers which report the depositional, diagenetic, and cyclical nature of Lansing rocks. Their documentation...

... of facies variation within the Lower Rhyolite Tuff Formation, Snowdonia M. F. Howells, A. J. Reedman & S. D. G. Campbell (BGS) Processes, facies and environment of deposition of the Bedded Pyroclastic Formation, Snowdonia B. P. Kokelaar (Ulster Poly.) Geochemistry, petrogenesis and tectonic setting...

... not appear to have caused any significant changes in petroleum after they have been expelled from source rocks, except where the oils have come in direct contact with large deposits of sulfate minerals. The effects of selective filtration, selective adsorption, and water “washing” on the correlation indexes...

... Abstract D r P. L. B inda writes: Annels (1984) suggests that the Zambian Copperbelt was the site of rifting during the deposition of at least part of the Katanga Sequence and that the mineral deposits are Red-Sea type.Intracratonic depositional settings may be fault-bounded or slowly subsiding...

... the derrick, the walking beam and wheel, and the boiler ( Purdy, 1957 : 27 ). … partly owing to the late period of the year at which operations could be commenced, and from the want of proper tools for penetrating the great thickness of loose superficial deposits, as well as the requisite piping...

... DiSIPiGt 0- PAUL I. EIMON (SEG 1964) COMMONWEALTH INTERNATIONAL, INC P 0. BOX 15570 AMARILLO, TX 79105 iscovery of placer gold in 1863 at Virginia City, Montana (Figure 1) led to the rapid development of the richest single stream placer deposit in the United States. These placer . deposits produced...

... was the program at Artemis Purdy s Reward first jurisdiction to introduce co-fund- prospect has exposed conglomerates Josh Leigh (SEG 2014) Queensland ing under their PACE initiative, and containing water-worn gold nuggets Andrew Rowett South Australia now the go-ahead has been given for a up to 4 cm in size...

.... Cavender, W.S., and Purdy Jr., C.P., 1985, The making of the Round Mountain mine, in Hollister, V.F., ed., Discoveries of epithermal precious metal deposits: case histories of mineral discoveries: Society of Mining Engineers of AIME, New York, v. 1, p. 101 104. Christensen, O.D., 1993, Carlin trend...

...) . That account provided the depositional setting and palaeoenvironmental information typical of these nodule-bearing localities, situating them in a nearshore setting periodically transgressed by the rise and fall of water levels in the Middle Devonian Orcadian Lake (about 388 Ma). The terms ‘nodule...

... at the end of the twentieth century has been provided by Longley et al. (2002) . The separation of Greater India from Australia began in the Valanginian–Berriasian, terminating the supply of clastics into the Barrow delta and causing regional marine flooding and the deposition of the shales that form...

... T.A. Abbas and G. Berttoti The Melut Basin is a continental rift basin, which experienced three phases of extension from late Cretaceous to Oligocene times. Each phase of extension is associated with thermal subsidence stages and possibly with important episodes of non-deposition and/or erosion...

... Purdy s Reward prospect in the same spending, I once again am looking for of finding the next big one are better region. Free gold has now been found that silver bullet for technical success but than in most other parts of the world, spread over a strike length of 800 m with am also searching...

... and dissemination of knowledge. The Indian Scene B, P. RADHAKRISHNA and L. C. CURTIS 163 p. (1991). Price Rs. 1501- "Although economic gold deposits are elusive, they arc a price worth seek- ing ". (Mackenzie). . The book presents background information to aid in the search o'f deposits of gold and forms a handy...

... of this paper is to review gold occurrences in Peru, and to identify and describe the more important districts, deposits and prospects. Present exploration activities, property ownership, and legal and national policy issues are not discussed. OVERVIEW In recent years, most of Peru's gold has been produced from...

... UNpecwomSienFcgtoiroSnh,oprt. 40 Geology and Genesis of Major Copper Deposits and Districts of the World: A Tribute to Richard H. Sillitoe Jeffrey W. Hedenquist, Michael Harris, and Francisco Camus, Eds. Rio Tinto Exploration sponsored this resource exploration has roots in the Sponsor SEG publication, Geology...