209 234. Chapter 10. A Giant Mesoarchean Crustal Gold-Enrichment Episode: Possible Causes and exploration maturity, with the Witwatersrand goldfields being the highly explored . The upper and lower contacts of the gold-bearing, predomi- . are 4 to 37 ppb and 2 to 15 ppb, respectively, in gold from the. Basal reef
PGE variations in the remaining one third of the samples with Ir/(Ir + Ru) = 0.3 0.7, . Sulfide-bearing magma was proposed to have been extracted from the lower .. 209. 195. 162. 115. 8475. 3889. 2765. 5.2. 0.3. 8.7. 4. I-25. Orebody 24. 100 The concentrations of Ir = 0.2 ppb, Pt = 2 ppb, and Pd = 1.5 ppb in the initial
miedziowo-srebrowej serii złożowej) w SW części złoża Lubin- Sieroszowice Au, 381 ppb Pt, 209 ppbPd; POLK 2-623 ppbAu, 291 ppb Pt i 237 ppb Pd. reference samples, oxidised Rote Faule facies, Zechstein Copper-bearing Series,.
from a mammal-bearing lacustrine sequence,. Miocene . II! 1 km. 0°46'26"9 W m~~ m. MENGUAj 20. Bicorp-3. 400 j~;~ ¿¡ 4~h?J~ I. 10 . pressed pellets was used for elements such as Pb, Ga, Sn, .. G.E.T., COl1ulnicaciones: 209-212.
lems with metal-bearing sludges which are extremely difficult to . there is an indication that Cd, Pb, Hg and Zn are a high priority. 2. Metal biosorption development areas. With new discoveries of highly metal-sorbing biomass . 209. Fig. 3. The fluidized-bed sorption contactor would feature lower sorption efficiencies.
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Room temperature ppb level Cl2 detection and sensing mechanism of highly selective Paper-fluidic electrochemical biosensing platform with enzyme paper and . Pages 209-212; María Fe Laguna, Francisco J. Sanza, J. Soria, Mónica Jara, .. chemosensor bearing hybrid coumarin hemicyanine functionality has been
25 Mar 2000 that zones of exploitation of all sulphide-bearing mineral have set 10 ppb as the limit for arsenic (As) in drinking water. The through 0.45 µm membranes, acidified to pH 2 with HCl, and .. Geol., 1997, 92, 181 209. 56.
1 Dec 2005 The cell wall is the principal stress-bearing and shape-maintaining element in . with l-Ala(1) attached to the MurNac (57, 80, 175) (Fig. 2). with concomitant release of undecaprenylpyrophosphate (ppB). .. to the division septum (209) is mediated by its interaction with the FtsQ transmembrane helix (91).
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This paper summarizes the health implications associated with exposure to ductive function may be disrupted by exposure to PCBs; 2) neurobehavioral and biphenyls (PCBs) are synthetic organic chemicals comprising 209 individual .. than 6 pounds of Lake Michigan fish per year, compared with 19 ppb in 112
Surface replacements with bearing sizes of 55 mm (n 5 5) and 39 mm (n 5 5) were tested in a bearing sizes (10926 ppb and 176 ppb, respectively). in a ten station Prosim 2 hip simulator (Simsol, Stockport, [H] 2006;220:209 217. 23.
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17 May 2013 Lead, copper, silver and quartz bearing dykes at the NE, SE and. NW edge of .. corridor 2 (Geeser Dress with approximately 170,000 ppb He, in the Dreiser Weiher (approximately. 161,000 .. 2006, 42, 194 209. 12. Meyer
14 Mar 2013 We have searched for the presence of simple P and S-bearing molecules in which are 1 ppb (PH3) and 330 ppb (H2S), at the 2-σ significance level. enrichment is in line with core-accretion models, which predict that Saturn .. 209. 60, 127 137. 210. Marten, A., Hidayat, T., Biraud, Y., Moreno, R., 2002.
ODP Leg 209): Implications for fluid/rock interaction in slow .. recovered completely serpentinized peridotite associated with pyrite-bearing veinlets (up to 3 vol. .. with a. 100 ppb. REE solution . Drift was monitored by analyzing. JB. -2 every.
13 Feb 2012 Californian tonalites 81P131 and 81P209; Ontarian pegmatites Bancroft and 238U/235Uzircon may limit precision for >1 Ga zircon samples with no Accepting the published U-Pb data (2, 3) and the samples' unique.
recorded during the formation of gold-bearing structures independent of their location Stage 2 — during orogenic uplift and repeated tectonic reactivation a clear quartz Journal of Geochemical Exploration 71 (2000) 209 224 (b) Simplified geological map from North Portugal with the location of gold mineralisations.
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2 Sep 2001 PGE-bearing mineraliza- tions are subdivided are known in Québec, and (2) Ni-Cu-dominant deposits with Ni-Cu deposit with PGE at the co-product level (e.g., Clark,. 1998 . ppb. Pd,. 13 ppb. Pt max. 0.01 % Ni, 0.01 % Cu max. 2800. 1 g sité Pierre et Marie Curie, Paris 6, 209 pages plus annexes.
15 Sep 2015 In addition to K Ar, U Pb, and Pb Pb, the long-lived Lu Hf, Sm Nd, and Rb Sr decay systems which would otherwise elute with the Sm, Nd, Rb, and Sr-bearing matrix, complicating the 3-stage anion exchange chromatography with HF and H 2 SO 4 Acta, 2005, 543, 209 221 CrossRef PubMed .