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The highlight interval of 61.8 gt gold over 13.7 metres is the furthest south and deepest drill intercept to date and indicates the continuation of a very strong mineralizing system capable of producing broad intervals of high-grade gold in this direction. Our excitement continues to grow with this success at Keats, further bolstered by our ...
rock mining. Gold was discovered in Lyman, N.H., in 1864, sparking a minor rush. Several small mines soon opened in the Bath, N.H., area. These small mines supported two milling operations. About 50,000 worth of gold at period value was shipped to the Philadelphia National Mint before economic circumstances closed operations in 1878. A much ...
H.G. Young Mines incorporated in January 1946, with B.W. Lang as president and W.R. MacDonald as manager. Between 1946-1947, the mine completed geological and geophysical surveys and a diamond drilling program that realized 9,465.37 metres 31,054 feet. R. Lundstrom Ltd. began sinking a 320-metre 1,049-foot shaft in 1959, completing it in 1960.
Apr 05, 2021 High-grade intercepts included 20.10 meters grading 3.60 grams per tonne gt gold, and 21.21 meters grading 2.77 gt gold. Engineering and metallurgical test work evaluating and targeting an open-pit heap leach operation are underway. Fortitude Gold is a gold producer, developer, and explorer with operations in Nevada, U.S.A.
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Gold was assayed using a fire assay with atomic absorption spectrometry and gravimetric finish when required 9 gt Au. Analysis by four acid digestion with 48 element ICP-MS analysis was conducted on all samples with silver and base metal over
Dec 10, 2020 All samples were analysed for gold using standard Fire Assay-AA techniques. Samples returning over 10.0 gt gold were analysed utilizing standard Fire Assay-Gravimetric methods. Samples were also analyzed for a 48 multi-element geochemical suite by ICP-MS with a four-acid digestion.
May 04, 2021 gold mining, mining. Northstar Gold Corp. NSG has completed the first half of the Phase II drill program on the Miller Gold Property. Two separate and spectacular Allied Syenite gold-telluride vein intercepts from drill hole MG21-56 were sampled and submitted for fire assay and gravimetric finish. Results from two samples submitted for gold analysis from drill hole MG21-56 include abundant visible gold.
in clude traditional fire assay, and larger charge methods such as screen f ire assay SFA Dominy et al , 2000, LeachWELL Dominy et al , 2000 Pitard, 2007, pulverise and leach
Feb 28, 2016 Gold content ozt gold weight mg x 29.166sample weight g Gold Refining Book For example, if the fire assay reported 0.1 mg of gold and the initial weight of sample was 20 g, the gold content is 0.14583 ozt or 4.54 gt.
Sep 27, 2018 Initial check assaying using metallic screen fire assay of previously fire assayed mineralized intervals have returned positive results highlighting the potential to significantly increase gold ...
At the lab, rock samples are dried, crushed and pulverized to 85 passing through a 200-mesh sieve. The pulps are assayed for gold using a 30 gram split, Fire Assay FA and Atomic Absorption AA finish. Pulps from select samples were further analyzed using a 15 gram split using 41-elements ICP. Silver assays used the fire assay data.
Fast Fire Assays, Au and Ag. Fast, accurate, affordable. 35 for a goldsilver assay. 30 for gold alone. 10 sample prep jaw, split, dry, pulverize Usually 5-7 days turnaround or less. A niche with the small miner in mind. Ray Grimmer Lab Service R.G.L.S. 4780 Harding hwy. Mays Landing, NJ 08330 USA. Ph. 1-609-829-2903. E-Mail raygrimmerlabgmail.com
Aug 26, 2020 On August 26, Portofino Resources Inc. revealed that a re-assaying of the initial 12 samples from South of Otter resulted in the first 2 samples assaying 16.0 gt gold and 12.0 gt gold ...
Mar 10, 2021 The original sample assayed 88 gt silver and 0.16 gt gold by fire assay whereas the duplicate assayed 239 gt silver and 0.23 gt gold. This is a significant variation and highlights the difficulty of reliably sampling broken core and the uncertainty associated with results when core recovery is low, and the ground is highly fractured.
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Dec 09, 2020 Vancouver, Canada, December 9, 2020 Ridgeline Minerals Corp. Ridgeline or the Company TSX-V RDG is pleased to announce a shallow oxide, silver-gold discovery at its Selena project in Nevada highlighted by 36.6 meters m grading 67.08 gt silver Ag and 0.26 gt gold Au Figures 1 amp 2.Drill assays received to-date, suggest the Selena project is
The gold price FebruaryMarch 2003 was at US 365oz. March 2008 it has reached so far its highest level of over US 1,020. That amounts to an increase of about 280. This increase of the value of gold is so significant, compared to the percentage of inflation of 14.4
Olympus handheld X-ray Fluorescence XRF analyzers provide high-performance, real-time data for rapid elemental analysis of metallic samples such as Gold Au pin samples as well as mill feeds, precipitates, and environmental samples within gold mines. The DELTA handheld XRF analyzer is used by laboratory personnel as a screening tool and in ...
High grade gold samples 10 gt Au were re-analysed using analytical code Au-AA25 also fire assay with an AAS finish and Au-GRA21 fire assay with a gravimetric finish for samples which returned gold grades 100 gt, when required.
Feb 10, 2021 The entire sample is crushed and 1 kg is pulverized. Analysis for gold is by 50 g fire assay fusion with atomic absorption AAS finish with a lower limit of 0.01 ppm and upper limit of 100 ppm. Samples with gold assays greater than 100 ppm are re-analyzed using a 50 g fire assay fusion with gravimetric finish.
Sep 15, 2020 Standards and blanks were inserted randomly into the sample shipments as part of the sampling protocol. Samples with fire assay results above 1.0 gt gold are re-analyzed using a gravimetric finish and samples with fire assay results above 5.0 gt gold or samples showing visible gold are analyzed using the pulp metallic method.
Table 1 Drill Assay Intercepts for Underground Diamond Drilling at Fosterville Gold Mine. Results are later and outside of the December 31, 2015 Indicated Mineral Resources Hole ID From m To m Downhole Interval m Estimated True Width m Gold Grade gt Au Geological Structure Lower Phoenix Footwall
Mar 09, 2021 Renforth Resources Inc. CSE RFR OTC US RFHRF FSE-9RR Renforth or the Company is pleased to report Parbec 2020 drill results to shareholders, including a highlight from PAR-20-112 of 21.45m grading 5.57 gt Au from 254.8m to 276.25m as measured in the core box. This includes a sub-interval of 6.27 gt Au over 16.7m, which also includes 37.3 g
For samples returning greater than 10 gt gold follow-up fire assay analysis with a gravimetric finish is completed. Based on initial fire assay gold indications as well as visual indication of mineralization and alteration, intervals are selected for re-assay by the screen metallic fire assay
The two gold refining methods most commonly employed to derive pure gold are the Miller process and the Wohlwill process. The Miller process uses gaseous chlorine to extract impurities when gold is at melting point impurities separate into a layer on the surface of the molten purified gold. The Miller process is rapid and simple, but it ...
Three open pit bulk samples have been taken historically in 1994, by KWG Resources Inc. subsidiary Granada Resources, 87,311 tonnes grading 5.15 gt gold from Vein 1 in 1996, by KWG Resources Inc. subsidiary Granada Resources, 22,095 tonnes grading 3.46 gt gold from Vein 2 and in 2007 by Gold Bullion Development Corp now Granada Gold Mine ...
GBA Gold Buyers of Alaska Assaying and Refining. These guys are honest and straight forward. Youll get the best price for your gold with GBA. They can assay your gold purity on the spot with their state-of-the-art X-ray equipment, or send off for a fire assay. GBA also trades placer gold, scrap gold, bullion, silver, platinum, palladium ...
Mar 02, 2021 Gold was analyzed by fire assay 30 g with an AA atomic absorption finish at ALS Laboratories Holes 1-3 and MPC Holes 4-7 with detection limits of 0.005 gt gold ALS and 0.025 gt gold MPC.
Apr 27, 2021 The entire sample is crushed and 1 kg is pulverized. Analysis for gold is by 50 g fire assay fusion with atomic absorption AAS finish with a lower limit of 0.01 ppm and upper limit of 100 ppm. Samples with gold assays greater than 100 ppm are re-analyzed using a 50 g fire assay fusion with gravimetric finish.
A total of ninety-seven grab samples were collected from the Aremu Mine Area with values ranging from nil to 51 gt Au. The Aremu Mine District is located 1 km NW of Tracy. Drilling has commenced at Aremu with initial drill targets including the historic Aremu, Donicker, Scotland, Powerhouse, and Lunch Veins.
1. ENVIRONMENTAL IMPACTS OF GOLD MINING IN PENHALONGA 1.1 Research Material Compiled by G.R Chimonyo Senior Lecturer, Africa University J.V Mupfumi, Centre for Research and Development 1.2 Preliminary findings 1.2.1 Environmental Impact Overview Gold mining in Penhalonga represents all methods of gold extraction from deep underground mining, to
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