 | | Book | | for the History KriJgslaan 281 S30 B-9000 Gent Belgium F (+32) (0)9 264 49 73 T (+32) (0)9 264 49 30 be...are distributed by: The publications of Academ Belgium: Booksellers J. Story-Scientia Scientific Sint-Kwintensberg...Stoops proposed to work around nerals related to Belgium. They pointed out, that in the past some renowned...0 --4 m 5 6 PREFACE Minerals occurring in Belgium have amply and comprehensively been documented...evolution of mineralogical science and knowledge in Belgium through the last 60 or so years. As most books |  | | Report (chapter) | | Origin and distribution of sulphur in the Neogene Beypazari Lignite Basin, Central Anatolia, Turkey M...These lignites are characterized by their high sulphur content (up to 8.2% on an air-dried basis). It...hydrothermal processes are responsible for the increased sulphur contents of the (~ayirhan lignites, resulting from...circulating fluid. Study of the sulphur content reveals three types of sulphur distribution, namely, vertical...lignite field. To alleviate the problem of high sulphur content, both are equipped with desulphurization |  | Wang, Hao, Shao, Longyi, Newton, Robert J., Bottrell, Simon H., Wignall, Paul B., Large, David J. (2012) Records of terrestrial sulfur deposition from the latest Permian coals in SW China. Chemical Geology, 292. 18-24 doi:10.1016/j.chemgeo.2011.11.005 | Journal (article/letter/editorial) | | 87% of the total sulfur content on average, while Spy (pyritic sulfur) is very low (13% of the total sulfur...majority of sulfur in coal present as pyritic sulfur (Spy) or organic sulfur (Sorg) and the potential paleoenvironmental...(Bottrell et al., 1998). In contrast, pyritic sulfur (Spy) is mainly formed in the deeper reducing layers of...coals were selected for sulfur isotopic analyses of Spy and Sorg with a high stratigraphic resolution because...sulfur isotope compositions (Sorg in all samples and Spy where sufficient were present) and ash content are |  | Werne, Josef P., Lyons, Timothy W., Hollander, David J., Formolo, Michael J., Sinninghe Damsté, Jaap S. (2003) Reduced sulfur in euxinic sediments of the Cariaco Basin: sulfur isotope constraints on organic sulfur formation. Chemical Geology, 195 (1) 159-179 doi:10.1016/s0009-2541(02)00393-5 | Journal (article/letter/editorial) | | rock) sediments were analyzed for pyrite sulfur (Spy) by the chromium reduction method described by Canfield...filtered residues were then placed in either tin boats (Spy, TOS, KS) or silver boats (PBS) with V2O5 catalyst...these bulk measurements was better than 0.5xfor Spy, TOS, and KS. The PBS sulfur isotope ratios were...dilution linked to changes in bulk sedimentation rate, Spy, FeR, and KS concentrations were converted to accumulation...(g/cm2/ky). It is assumed that the accumulation rate of Spy represents input from pyrite formed in the water |  | | Journal (article/letter/editorial) | | mixed with meteoric water. Measured and calculated sulphur isotope compositions of hydrothermal fluids (δ...(δ 34 SS = −1.2–3.8‰) indicate that the ore sulphur was derived mainly from a magmatic source. The calculated...hydrothermal fluids of quartz, calcite, and fluorite; and sulphur in sulphides. For δ 18 O measurements from quartz...01025 for calcite (Friedman and O’Neil 1977). Sulphur was extracted with a continuous flow device, wherein...calcite; and the Canyon Diablo triolite standard for sulphur in sulphide. Stable isotope data are presented |  | | Journal (article/letter/editorial) | | coincide with the Alamo impact. Unlike the rapid δ 34 Spy and δ 34 SCAS oscillations associated with the punctata...that define these events. High stratigraphic δ 34 Spy and δ 34 SCAS variability, coupled with strong reservoir...carbonateassociated sulfate (δ 34 SCAS ) and pyrite (δ 34 Spy ) from Late Devonian carbonate successions in Nevada...nitrate filter via vacuum filtration. Pyrite sulfur (Spy ) was extracted from insoluble residue and clay-rich...Racki, 2012) (Fig. 4). Similarly, δ 34 SCAS and δ 34 Spy values increase by ∼10h and 40h, respectively (Fig |  | | Journal (article/letter/editorial) | | diffusive-uptake profile, this one recovered from experiment no. SPy-52 (see Table 1) on the Logrono pyrite. In (b) the...(see text). (c) Diffusion profile from experiment SPy-40, one of four experiments on Logrono pyrite that...(°C) 7 SPy-57 SPy-42 SPy-43** SPy-63 SPy-64 SPy-45 SPy-40** Spy-59 SPy-44** SPy-47 SPy-41** SPy-65 SPy-48...SPy-48 SPy-54 SPy-62 SPy-52 SPy-55 SPy-46 SPy-56 SPy-60 Expt. no. Time (s) P(S), pyrite from Spain;...(2000b) Evidence of atmospheric sulphur in the martian regolith from sulphur isotopes in meteorites. Nature |  | | Journal (article/letter/editorial) | | 4A), the organic carbon to pyrite sulfur (Corg/Spy) ratio is approximately 2.8 on a weight basis (i...formation directly from seawater (Fig. 4B). The Corg/Spy ratio under euxinic conditions is lower than 2.8...8 (Berner and Raiswell, 1983). Hence, the Corg/Spy ratio can serve as an indicator of different marine...marine environments. Moreover, a lower Corg/Spy ratio would imply that for each carbon available as a substrate...in the zone of microbial sulfate reduction, Corg/Spy2.8 (Berner and Raiswell, 1983). (B) Euxinic environment |  | Li, Songzhuo, Lang, Xianguo, Wang, Han, Zhu, Shengxian, Zhao, Kun, Hou, Mingcai (2023) Pyrite Sulfur Isotope Systematics Suggest Low Marine Sulfate Levels across the Ediacaran–Cambrian Transition. Minerals, 13 (2) 227 doi:10.3390/min13020227 | Journal (article/letter/editorial) | | carbon (δ13 Corg ) and pyrite sulfur isotope (δ34 Spy ) analyses of the Heyu section (the Dengying Formation)...δ13 Corg varies between −36.4‰ and −27.4‰, and δ34 Spy ranges from −6.6‰ to 27.3‰. The TOC and pyrite content...identifying the controlling factors in bulk sample δ34 Spy records and in estimating sulfate levels in ancient...carbon isotope analysis. For pyrite content and δ34 Spy analysis, 0.5–2 g powder was weighed, and the pyrite...weighed for measurements. TOC, δ13 Corg , and δ34 Spy were measured using an Organic Elemental Analyzer |  | | Book | | HOW TO USE YOUR I-SPY BOOK Many of the minerals, rocks, and fossils shown in this |-Spy book are quite easy...collections. In fact, it would be possible to |-Spy almost everything here in a couple of trips to the...Museum in London. But, if you see an example of an I-Spy in a museum or collection, you can score only half...To get your. badge, therefore, you will need to |-Spy some examples outside museums. Look around youbecause...it. You need 1000 points to send off for your I-Spy badge (see inside back cover) but that is not too |  | | Journal (article/letter/editorial) | | species (Berner, 1984). Therefore, the abundance of Spy and Corg in sediments is intimately linked and controlled...Canfield et al., 1992). For the Tumbiana Formation, the Spy/Corg ratios (Fig. 4) present small scale variations...salinity, a linear regression of a plot of Corg–Spy gives Spy/Corg ratio of ~0.37. Because H2S concentrations...pyrite contents (S = ~0.5 to ~10 wt.%) and variable Spy/Corg ratios higher than 0.37 (Berner,1984; Raiswell...1985). Compared to modern environments, the use of Spy/Corg in Archean environments is complicated because: |  | | Journal (article/letter/editorial) | | isotopes (δ 34 SCAS ), pyrite sulfur isotopes (δ 34 SPY ) and CAS oxygen isotopes (δ 18 OCAS ) across the...anomaly, accompanied by negative shifts in δ 34 SPY and δ 18 OCAS, is found within the K–O δ 13 C excursion...δ 13 C excursion, 34 S (34 S = δ 34 SCAS –δ 34 SPY ) increases from 15h to 45h and δ 13 Ccarb drops...significant δ 34 SCAS and/or pyrite sulfur isotope (δ 34 SPY ) variations have been observed across the other...ocean, we have conducted paired δ 34 SCAS –δ 34 SPY analyses across the K–O δ 13 C excursion (or TICE) |  | | Journal (article/letter/editorial) | | (δ 34 SSW ) and coeval sedimentary pyrite (δ 34 SPY ) was smaller during the Paleozoic than in the Cenozoic...sulfate (δ 34 SSW ) and sedimentary pyrite (δ 34 SPY ) changed from values of approximately 30–31h in...possibility that the mean of pyrite-sulfur isotopes (δ 34 SPY ) might be representative of the timedependent composition...seawater sulfate (δ 34 SSW ) and buried pyrite (δ 34 SPY ) appeared to vary from slightly lower values in...as: λ = Ln[(1+δ 34 SSW )/(1+δ 34 SPY )] . Ln[(1+δ 33 SSW )/(1+δ 33 SPY )] N. Wu et al. / Earth and Planetary |  | | Journal (article/letter/editorial) | | dissolved sulfur: acid-volatile sulfides (SAVS), pyrite (Spy), elemental sulfur (S°), dissolved sulfate and RH2S...solid-phase, acidvolatile sulfur (SAVS) and pyrite sulfur (Spy) using a sequential extraction of HCl/SnCl2 followed...Cr-reduction extraction to determine wt.% pyrite. SAVS and Spy concentrations were quantified by iodometric titration...05 0.04 0.30 d34SAVS (&VCDT) d34SSpy (&VCDT) Spy (wt.%) Fepy (wt.%) 0.03 0.04 0.03 0.03 0.03 0.03...4 19.5 24.0 25.3 19.7 for NBP 1B (Table 4). Spy concentrations from NBP 1B ranged from 0.03 to 0 |  | Shen, Bing, Xiao, Shuhai, Zhou, Chuanming, Kaufman, Alan J., Yuan, Xunlai (2010) Carbon and sulfur isotope chemostratigraphy of the Neoproterozoic Quanji Group of the Chaidam Basin, NW China: Basin stratification in the aftermath of an Ediacaran glaciation postdating the Shuram event?. Precambrian Research, 177 (3) 241-252 doi:10.1016/j.precamres.2009.12.006 | Journal (article/letter/editorial) | | Zhoujieshan cap dolostone, and the ␦34 SCAS , ␦34 Spy , and trace element compositions (Fe, Mn, Sr, and...␦34 Spy values, however, show a steady increase from +12.9‰ to +26.4‰. Thus, ␦34 SCAS and ␦34 Spy trends...the Zhoujieshan cap dolostone, and the high ␦34 Spy values in the upper part of the cap dolostone indicate...fractionations (␦34 SCAS < ␦34 Spy ). The decoupling of ␦34 SCAS and ␦34 Spy suggests that CAS and pyrite...chemostratigraphic data (␦13 C, ␦18 O, ␦34 SCAS , ␦34 Spy , and trace element concentrations) of the Quanji |  | | Journal (article/letter/editorial) | | marine sulfur cycle, pyrite sulfur isotopes (δ 34 Spy ) are determined by the degree of pyrite burial that...conditions. Thus, the secular variation of δ 34 Spy records the history of marine and atmosphere redox...evolution. As such, large magnitude change in δ 34 Spy in the Proterozoic has been attributed to widespread...low atmospheric pO2 levels. However, noisy δ 34 Spy signals in the past 250 million years cannot be explained...developing a numerical model, we show that δ 34 Spy of syndepositional pyrite is significantly affected |  | | Journal (article/letter/editorial) | | bars are from the box core. FePy is calculated from Spy results assuming an ideal 2:1 S:Fe stoichiometry...the sediment–water interface, the pyrite sulfur (Spy) pool is slightly larger than the proto-kerogen S...Santa Barbara Basin sediments, including pyrite (Spy), protokerogen (OSpk), elemental S (S0), and polar...averages are shown for gravity core Spy and OSpk (black lines) and multicore Spy (gray line). value excludes...data forP the box core. Symbols represent pyrite (Spy, squares), elemental S (S0, open circles), proto-kerogen |  | | Journal (article/letter/editorial) | | pyrite formation based on (1) high pyrite sulfur (Spy) concentrations in the surficial sediment layers...recorded in the underlying oxic sediments, and (4) Spy isotope trends that largely mimic the d34SHS of...organic-deficient clay. The burial of pyrite sulfur (Spy) and the related organic-carbon (Corg) pathways have...last glacial – interglacial transition: (1) Corg – Spy relationships-including S isotope records, syngenetic... Table 1 Geochemical data Pyrite sulfur (Spy) (wt.%)a Spy d34Spy carbonate- (x)a free basis (wt.%)a |  | Zhai, De-Gao, Liu, Jia-Jun, Wang, Jian-Ping, Yao, Mei-Juan, Wu, Sheng-Hua, Fu, Chao, Liu, Zhen-Jiang, Wang, Shou-Guang, Li, Yu-Xi (2013) Fluid evolution of the Jiawula Ag–Pb–Zn deposit, Inner Mongolia: mineralogical, fluid inclusion, and stable isotopic evidence. International Geology Review, 55 (2) 204-224 doi:10.1080/00206814.2012.692905 | Journal (article/letter/editorial) | | mineralization along cogenetic fault systems. Sulphur isotopic compositions suggest that the ore-forming...and chalcopyrite, were collected for analysis in sulphur and lead isotopic studies. Quartz and calcite,...analysis in hydrogen and oxygen isotopic studies. Sulphur, hydrogen, and oxygen isotopic compositions were...–64.8‰) and Lanzhou water (δDV-SMOW = –84.55‰). Sulphur isotopic compositions were measured using a MAT...2‰. The standard materials used for determining sulphur isotope ratios in sulphides were GBW-04414 and |  | Feng, Lianjun, Li, Chao, Huang, Jing, Chang, Huajin, Chu, Xuelei (2014) A sulfate control on marine mid-depth euxinia on the early Cambrian (ca. 529–521Ma) Yangtze platform, South China. Precambrian Research, 246. 123-133 doi:10.1016/j.precamres.2014.03.002 | Journal (article/letter/editorial) | | (TOC), pyrite sulfur (Spy ) and S-isotopic composition of sedimentary pyrite (␦34 Spy ) data for the sections...Fe species, isotopic composition of pyrite (␦34 Spy ), and elemental concentrations such as Fe and Mo...stoichiometrically based on the pyrite sulfur concentration (Spy ; see below). The Fecarb , Feox and Femag were measured...nitrate traps for analyses of Spy and ␦34 Spy , respectively. The ␦34 Spy was measured by online combustion...Diablo Troilite (VCDT). Analytical precision for ␦34 Spy of the sample set from replicate analyses of IAEA |  | Luo, Genming, Richoz, Sylvain, van de Schootbrugge, Bas, Algeo, Thomas J., Xie, Shucheng, Ono, Shuhei, Summons, Roger E. (2018) Multiple sulfur-isotopic evidence for a shallowly stratified ocean following the Triassic-Jurassic boundary mass extinction. Geochimica et Cosmochimica Acta, 231. 73-87 doi:10.1016/j.gca.2018.04.015 | Journal (article/letter/editorial) | | compositions (33S, 34S and 36S) of pyrite and Spy/TOC ratios in two Tr-J successions (Mariental,...strata are characterized by 34S-enriched pyrite, low Spy/TOC ratios, and values of 33Spy (i.e., the deviation...relatively S-depleted pyrite, high 33Spy, and 34 Spy/TOC values, and the presence of green sulfur bacterial...34S-, 13C-depleted with depth) in combination with Spy/TOC data suggest that the earliest Jurassic EES was...ratios of pyrite sulfur to total organic carbon (Spy/TOC) in two drillcores (Mariental and Mingolsheim) |  | | Journal (article/letter/editorial) | | so until both of us seemed at the same instant to spy an opening beyond the heavy foliage. We unlimbered...PRODUCTION AND USES OF SULPHUR The mining, distribution, and industrial utilization of sulphur, one of the many...the Bureau of Mines in cooperation with a large sulphur producing company. The United States produces nearly...nearly two and one-quarter million tons of sulphur each year, or more than 75 percent of the world's...show a typical sulphur miniug town near the Gulf of Mexico, where most of the sulphur is mined. Line |  | | Journal (article/letter/editorial) | | -~-r-~-I-I Fig. 2. Noble metal (Pt, Pd and Au), sulphur and copper contents of the PV Reef, drill hole...platinum-group minerals of the PV Reef. A) Sperrylite (SPY) inclusions in chalcopyrite (CP); B) euhedral kotulskite...silicate (SIL); E) sperrylite (SPY) inclusion in pentlandite (PN); F) sperrylite (SPY) inclusion in pyrrhotite...are the amounts of MgO, Ni, SiO 2 and FeO. CaO, sulphur and vanadium are lower in the uppermost megacyclic...Canada. The concentrations of nickel, copper, sulphur, platinum-group elements and gold for the selected |  | | Journal (article/letter/editorial) | | a drop of sulphur fugacity in fluids. This mechanism agrees well with the calculated sulphur fugacity that...380S55 400S20 340S60 330S30 340S30 330S55 300S50 Spy Spy py+sp py+sp py+sp py+spSgl py+sp 30.82 31.11 30...360S40330S40 360S40 310S60 not available not available Spy Spy py+sp py+spSgl py+sp py+sp+gl 32.02 31.37 31.15...380S40 360S25 360S20 350S30 310S60 not available Spy py+sp py+sp py+sp+gl py+sp+gl SJ-9-B SJ-1-A SJ-9-C...360S20 350S20 350S45 not available not available Spy Spy py+spSgl py+sp+gl DB35-P2 DB-11 DB86-P2 DB-26 |  | | Journal (article/letter/editorial) | | specific volume (Sp V). Accordingly /~u-- 1 or (SPY) . (iv) I f the derivation of this equation be'correct...tim following equation will be true : - ~a SpVa = Spy; . . . . . . . (v.) The agreement of the observed.... . fVapour . Phosphorus. -[Solid . . . . . Sulphur. Arsenic. . . . . fVapour . . " I_Solid ...numbers [D(H ~ O) = 1] given by Haagen* : - Oxygen Sulphur 0"1813 0"4606 [ I Phosphorus Arsenic 0"4.710...sought for in the fact that * "Nouvelles recherches sur les proprigtds optiques des Cristaux~" Mdmoires |
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