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all geography including DSDP/ODP Sites and Legs
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Africa
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East Africa
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Kenya (1)
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Zambia
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England
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Scotland
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Hebrides
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Isle of Skye (1)
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Highland region Scotland
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Inverness-shire Scotland
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Isle of Skye (1)
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Scottish Highlands
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Scottish Northern Highlands (1)
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Northern Ireland
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Londonderry Northern Ireland (1)
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Front Range (1)
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Highland Boundary Fault (1)
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North America
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South America
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Andes
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Brazil
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United States
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Michigan
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Michigan Upper Peninsula (1)
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Midcontinent geophysical anomaly (1)
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North Dakota
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commodities
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brines (1)
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iron ores (1)
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mineral deposits, genesis (16)
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mineral exploration (5)
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elements, isotopes
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carbon
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organic carbon (3)
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hydrogen
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isotope ratios (33)
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isotopes
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stable isotopes
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O-18/O-16 (16)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (2)
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S-34/S-32 (26)
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magnesium
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strontium
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antimony (1)
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lead
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Pb-208/Pb-204 (2)
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platinum group
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platinum ores (1)
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rare earths
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neodymium
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Nd-144/Nd-143 (1)
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rhenium (1)
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nitrogen (1)
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oxygen
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O-18/O-16 (16)
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phosphorus (1)
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sulfur
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S-34/S-32 (26)
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fossils
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Invertebrata
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Vermes (1)
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ophiolite (1)
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metamorphic rocks
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framework silicates
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orthosilicates
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sorosilicates
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sheet silicates
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Primary terms
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absolute age (3)
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Africa
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East Africa
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Kenya (1)
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Tanzania (1)
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Zambia
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Nchanga Zambia (1)
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Southern Africa
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Namibia (1)
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Asia
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Far East
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Burma (1)
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Middle East
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Turkey
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Atlantic Ocean
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atmosphere (1)
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Australasia
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Australia
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bacteria (2)
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Canada
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carbon
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organic carbon (3)
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Cenozoic
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Scotland
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Highland region Scotland
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Inverness-shire Scotland
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Scottish Highlands
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Northern Ireland
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faults (6)
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geochemistry (4)
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ground water (1)
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igneous rocks
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diabase (1)
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syenites
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Invertebrata
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Vermes (1)
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isotopes
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Pb-206/Pb-204 (2)
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stable isotopes
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C-13/C-12 (9)
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O-18/O-16 (16)
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Pb-206/Pb-204 (2)
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metamorphic rocks
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sediments
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volcaniclastics (1)
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
Graphitization of Neoproterozoic sedimentary marbles in The Aird, Scottish Highlands
Strongly peraluminous granites provide independent evidence for an increase in biomass burial across the Precambrian–Phanerozoic boundary
Fluid Flow, Alteration, and Timing of Cu-Ag Mineralization at the White Pine Sediment-Hosted Copper Deposit, Michigan, USA
The stable isotope (C, O, S) record of Paleoproterozoic marbles, Scotland
Dissolved sulfate δ 34 S and the origin of sulfate in coal mine waters; NE England
Genesis of the Loma Galena Pb-Ag Deposit, Navidad District, Patagonia, Argentina: A Unique Epithermal System Capped by an Anoxic Lake
The Hydrothermal Evolution of the Alvo Açaí Cu (Au, Mo) Skarn Deposit, Carajás Province, Brazil
A Distal, High-grade Irish-type Orebody: Petrographic, Sulfur Isotope, and Sulfide Chemistry of the Island Pod Zn-Pb Orebody, Lisheen, Ireland
Graphite from Palaeoproterozoic enhanced carbon burial, and its metallogenic legacy
Shallow-marine serpentinization-derived fluid seepage in the Upper Cretaceous Qahlah Formation, United Arab Emirates
Stable C, O, and S Isotope Record of Magmatic-Hydrothermal Interactions Between the Falémé Fe Skarn and the Loulo Au Systems in Western Mali
Magmatic Fluids Implicated in the Formation of Propylitic Alteration: Oxygen, Hydrogen, and Strontium Isotope Constraints from the Northparkes Porphyry Cu-Au District, New South Wales, Australia
Detailed internal structure and along-strike variability of the core of a plate boundary fault: the Highland Boundary fault, Scotland
Rhenium Enrichment in the Muratdere Cu-Mo (Au-Re) Porphyry Deposit, Turkey: Evidence from Stable Isotope Analyses ( δ 34 S, δ 18 O, δ D) and Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry Analysis of Sulfides
Distinct sulfur saturation histories within the Palaeogene Magilligan Sill, Northern Ireland: implications for Ni – Cu – platinum group element mineralisation in the North Atlantic Igneous Province
Diatremes Act as Fluid Conduits for Zn-Pb Mineralization in the SW Irish Ore Field
Oxygen Isotope Microanalysis By Secondary Ion Mass Spectrometry Suggests Continuous 300-million-year History of Calcite Cementation and Dolomitization in the Devonian Bakken Formation
Pink and Red Spinels in Marble: Trace Elements, Oxygen Isotopes, and Sources
Microbial sulphate reduction during Neoproterozoic glaciation, Port Askaig Formation, UK
Abstract Oxygenation of the Proterozoic atmosphere caused the progressive build-up of dissolved sulphate on the continents and in marine environments. However, oxygen levels in the Proterozoic were low enough to allow the early burial of biological material into low redox potential environments where permineralization and the authigenic replacement of organic material, including micro-organisms, occurred by a range of minerals. Consequently, microbial sulphate reduction caused the widespread degradation of organic matter and, where iron was available, the precipitation of pyrite. By contrast, where sulphate levels were low, early preservation by other minerals (e.g. phosphate or silica) could be excellent. We show, using two Proterozoic lake sequences with low and high sulphate chemistries, but with otherwise similar characteristics, that microbial sulphate reduction caused a profound loss of morphological detail and diversity within preserved microfossils. The results could imply that there is a significant bias in the Proterozoic fossil record towards low sulphate environments, which were in reality relatively scarce. Gold Open Access : This article is published under the terms of the CC-BY 3.0 license.