 | | Report (issue) | | in Section 24, Township 3S., Range IW., Crawford County. CONTENTS Abstract ............................................................................ 3 Big Clifty Formation ............................................................................... 3 Haney Limestone ........................................ ... .......... 16 ILLUSTRATIONS Figure I 2 3 4 5 6 7 8 9 10 11 12 Chart showing stratigraphic...southwestern Indiana showing the area of study, county names, and outcrop belt of the Stephensport Group |  | | Journal (article/letter/editorial) | | analogues. They are composed essentially of chert or quartz bands interlayered with bands of a variety of iron-rich... minnesotaite, riebeckite) as well as chert or quartz. Detailed petrographic studies are required to...ocean and atmosphere chemistry prior to the GOE. 3. Analytical Methods Many diamond drill cores from...backscattered electron (BSE) imaging using TESCAN VEGA 3 (LaB6 source) and FEI Verios (field-emission source...microgranules are commonly surrounded by a moat of clear quartz (Fig. 2B), a texture first described by Spencer |  | | Book | | San Bernardino County, Cal. Fie. . Turquois matrix; Royal Blue Turquois mine, m Nye County, near Millers...Fia. Turquois matrix; Weber mine, Belmont, Nye County, Nev. Fia. . Dark-blue turquois; Azure mine, Burro...mine, 13 miles north of west of Millers, Esmeralda County, Nev. -7. Split veinlet of turquois showing a ‘““Y”...Publisher’s Preface. 2. A new scholarly introduction. 3. A new alphabetical listing of currently-operating...in Archaeology of Southern Mesoamerica, Vol. 3, Page 952. t with The case for believing that a |  | | Journal (article/letter/editorial) | | (Lawrence et al., 2006: Babechuk et al., 2015) . 3 SAMPLES AND METHODS 3.1 Regional Geology Deposition...interrupted by two basaltic andesitic sills, a thinner one (3 m thick) in the lower mesobanded part and a thicker...four drill-cores: Gasesa-1 (GAS), HEX- 5 (HEX), Erin-3 (ERI) and Aarpan-5 (ARP), which cover a ca. 25...bulk-rock digestion procedure using HF -HClO4-HNO3 (5:3:2). Chemical separation of the samples was carried...residue was transferred to PFA-vials (Savillex, USA) for digestion using HF-HNO3-HClO4, targeting the |  | Oonk, Paul B.H., Tsikos, Harilaos, Mason, Paul R.D., Henkel, Susann, Staubwasser, Michael, Fryer, Lindi, Poulton, Simon W., Williams, Helen M. (2017) Fraction-specific controls on the trace element distribution in iron formations: Implications for trace metal stable isotope proxies. Chemical Geology, 474. 17-32 doi:10.1016/j.chemgeo.2017.10.018 | Journal (article/letter/editorial) | | Fe-Ca-Mg-Mn carbonates, (2) magnetite and/or hematite and (3) Fesilicates. These fractions are typically fine-grained...trace element distributions against mineralogy and 3) comparison to results from microanalytical RI techniques...resources by the mining industry: Gasesa-1, HEX-5, Erin-3 and Aarpan-5 (Figure 1). Samples were taken every...Fe-carbonate pelloids in a microcrystalline stilpnomelane/quartz matrix. Minnesotaite and calcite are also present...typified by RI alternating bands of microcrystalline quartz and magnetite (grain size up to 100 µm). At the |
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