Search Results - "Tripati, A K"
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The influence of temperature and seawater carbonate saturation state on 13C-18O bond ordering in bivalve mollusks
Published in Biogeosciences (01-07-2013)“…The shells of marine mollusks are widely used archives of past climate and ocean chemistry. Whilst the measurement of mollusk δ18 O to develop records of past…”
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2
Determining the diagenetic conditions of concretion formation; assessing temperatures and pore waters using clumped isotopes
Published in Journal of sedimentary research (01-12-2012)“…Carbonate-δ18O paleothermometry is used in many diagenetic studies to unravel the thermal history of basins. However, this approach generally requires an…”
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3
Exploring the controls on element ratios in middle Eocene samples of the benthic foraminifera Oridorsalis umbonatus
Published in Climate of the past (07-12-2012)“…Culturing studies and empirically based core top calibrations have been used to infer that elemental ratios in benthic foraminifera can be used as proxies to…”
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4
Reconstruction of limnology and microbialite formation conditions from carbonate clumped isotope thermometry
Published in Geobiology (01-01-2015)“…Quantitative tools for deciphering the environment of microbialite formation are relatively limited. For example, the oxygen isotope carbonate‐water…”
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5
Clumped-isotope constraints on cement paragenesis in septarian concretions
Published in Journal of sedimentary research (01-12-2014)“…Septarian concretions exhibit multiple generations of cements that include body, fringe, and spar phases. Classic paragenetic interpretations include initial…”
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6
Extensive, uplift-related and non-fault-controlled spar precipitation in the Permian Capitan Formation
Published in Sedimentary geology (15-12-2013)“…With time, unlithified grains in sediments become cemented and eventually lithified to form sedimentary rocks. Sedimentary rocks of all ages, lithologies and…”
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7
The influence of temperature and seawater carbonate saturation state on 13 C– 18 O bond ordering in bivalve mollusks
Published in Biogeosciences (10-07-2013)“…The shells of marine mollusks are widely used archives of past climate and ocean chemistry. Whilst the measurement of mollusk δ18O to develop records of past…”
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Journal Article -
8
Lake highstands on the Altiplano (Tropical Andes) contemporaneous with Heinrich 1 and the Younger Dryas: new insights from C-14, U-Th dating and delta O-18 of carbonates
Published in Quaternary science reviews (01-12-2011)“…This study provides new geochronological and stable isotope constraints on Late Pleistocene fluctuations in lake level that occurred in the closed-watershed of…”
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9
Evolution of Neoproterozoic Wonoka–Shuram Anomaly-aged carbonates: Evidence from clumped isotope paleothermometry
Published in Precambrian research (01-07-2015)“…•Clumped isotope data reported from three Neoproterozoic sections.•Temperatures covary with fluid and mineral δ18O values.•Data suggest recrystallization in…”
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10
Climate sensitivity to Arctic seaway restriction during the early Paleogene
Published in Earth and planetary science letters (15-09-2009)“…The opening and closing of ocean gateways affects the global distribution of heat, salt, and moisture, potentially driving climatic change on regional to…”
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11
Evidence for glaciation in the Northern Hemisphere back to 44 Ma from ice-rafted debris in the Greenland Sea
Published in Earth and planetary science letters (15-01-2008)“…The widely accepted age estimate for the onset of glaciation in the Northern Hemisphere ranges between 2 and 15 million years ago (Ma). However, recent studies…”
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12
Tropical sea-surface temperature reconstruction for the early Paleogene using Mg/Ca ratios of planktonic foraminifera
Published in Paleoceanography (01-12-2003)“…To understand the climate dynamics of hypothesized past greenhouse intervals, it is essential to constrain tropical sea‐surface temperatures (SST), yet…”
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13
Reconstruction of limnology and microbialite formation conditions from carbonate clumped isotope thermometry
Published in Geobiology (17-12-2014)“…Abstract Quantitative tools for deciphering the environment of microbialite formation are relatively limited. For example, the oxygen isotope carbonate‐water…”
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14
Constraints on ocean circulation at the Paleocene–Eocene Thermal Maximum from neodymium isotopes
Published in Climate of the past (07-04-2016)“…Global warming during the Paleocene–Eocene Thermal Maximum (PETM) ∼ 55 million years ago (Ma) coincided with a massive release of carbon to the…”
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15
Possible evidence for a large decrease in seawater strontium/calcium ratios and strontium concentrations during the Cenozoic
Published in Earth and planetary science letters (30-05-2009)“…Few constraints exist on the major element chemistry of ancient oceans. Turritellid marine snails precipitate aragonitic shells and are abundant in the…”
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16
The influence of temperature and seawater carbonate saturation state on super(13)C- super(18) O bond ordering in bivalve mollusks
Published in Biogeosciences (10-07-2013)“…The shells of marine mollusks are widely used archives of past climate and ocean chemistry. Whilst the measurement of mollusk delta super(18)O to develop…”
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Journal Article -
17
Lake highstands on the Altiplano (Tropical Andes) contemporaneous with Heinrich 1 and the Younger Dryas: new insights from super(14)C, U-Th dating and I super(18)O of carbonates
Published in Quaternary science reviews (01-12-2011)“…This study provides new geochronological and stable isotope constraints on Late Pleistocene fluctuations in lake level that occurred in the closed-watershed of…”
Get full text
Journal Article -
18
The influence of temperature and seawater carbonate saturation state on .sup.13C-.sup.18O bond ordering in bivalve mollusks
Published in Biogeosciences (10-07-2013)“…The shells of marine mollusks are widely used archives of past climate and ocean chemistry. Whilst the measurement of mollusk [delta].sup.18 O to develop…”
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Journal Article