Oxygen Isotope Analysis
Reconstructing hydrological variability in Lake Baikal during MIS 11: an application of oxygen isotope analysis of diatom silica
... Reconstructing hydrological variability in Lake Baikal during MIS11: an application of oxygen isotope analysis of diatom silica1. Journal: Journal of Quaternary Science.[r] ...
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The application of strontium and oxygen isotope analysis to study land use and mobility patterns during the earlier Neolithic in England and Wales
... Keywords: Development of agriculture, Neolithic, sedentism, mobility, strontium, oxygen, isotope analysis Subject Areas: evolution, ecology, environmental science 4.1 Abstract Development of ...
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Determining the Authenticity of Artifacts by Oxygen Isotope Analysis
... This biopitting is a clear evidence of geomicrobiogenic activity that covers all surfaces of the artifacts and grows very slowly over dozens to hundreds of years [11]. The isotopic composition of authigenic carbonate ...
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Triple oxygen isotope analysis of nitrate using isotope exchange cavity ringdown laser spectroscopy
... unknown isotope composition from the HCl concentrated solution, the ST-NaOH solution and/or the neutralization reaction significantly affect the 2 H value, have an minor impact on the 17 O and 18 O values, ...
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Oxygen Isotope Analysis of the Shells of Nautilus pompilius from Tañon Strait, the Philippines
... isotopic composition of cameral fluid in the septum 11 or 14 was much heavier than that of the last septum, if the septa were deposited in an isotopic equilibrium. This problem will be c[r] ...
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Carbon and oxygen isotope analysis of leaf biomass reveals contrasting photosynthetic responses to elevated CO
... C) analysis of leaf biomass from a conifer (Pinus contortus; lodgepole pine) and an in- vasive, non-native herb (Linaria dalmatica; Dalmation toad- flax) was used to trace the inputs of vent CO 2 and quantify ...
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Oxygen isotope analysis of the eyes of pelagic trilobites: Testing the application of sea temperature proxies for the Ordovician
... 1.1B_sp1 Carolinites sibiricus L pervasive porosity, recrystallized, lens boundary overgrowths lenses undefined, major recrystallization poor 1.1B_sp2 Carolinites sibiricus L pe[r] ...
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Episodic hydrothermal alteration recorded by microscale oxygen isotope analysis of white mica in the Larderello-Travale Geothermal Field, Italy
... approximate oxygen isotope equilibrium with the fluid phase ( Criss and Taylor, 1986 ; Boyce et ...the oxygen isotope exchange experienced by the white mica is thus correlated with Fe-Mg-Ti-Na ...
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The effects of dissolution on the silicon and oxygen isotope compositions of silica phytoliths
... for oxygen isotope analysis as a result of ...and oxygen isotopes during silica precipitation are ...Silicon isotope fractionation is not temperature ...
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Reconstructing Fire Severity From the Oxygen-Isotope Compositions of Plant Char
... early oxygen- isotope analysis of char samples contaminated with ash had variable and unusually low δ 18 O ...by oxygen contributed from plant ...
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Oxygen isotope ratios in the shell of Mytilus edulis : archives of glacier meltwater in Greenland?
... and analysis One valve of each shell was embedded in epoxy resin, and a slab of ∼ 2 mm was cut along the longest growth ...for oxygen isotope analysis were drilled from the calcite outer ...
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Oxygen Isotope Effect in High. Temperature Superconductors
... Chapter 3 Results 3.1 Magnetometry Data Figure 3.1 shows magnetometry data measured for two different batches (batch 13 and batch 16) of isotope samples, each of which were grown/substituted indepen- dently. Since ...
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Oxygen-isotope Variations in Post-glacial Lake Ontario
... Early glacial Lake Algonquin’s outlet was at Port Huron (PH), which allowed water to enter glacial Lake Iroquois through Niagara Falls (NF) from the Erie basin. Later, during the Kirkf[r] ...
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Oxygen and Hydrogen Isotope Ratios in Sedimentary Rocks and Minerals
... The clay mineral suites of the ocean sediments cannot therefore be interpreted as being entirely composed of minerals in isotopic equilibrium with sea water or w[r] ...
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Oxygen, carbon and hydrogen isotope studies of contact metamorphism
... TABLE 1 3 O xygen isotope temperatures of f ormation of mineral pairs in the intru s i ons and contact metamorphic aureoles com- pared with heat flow temperatures a[r] ...
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Photochemical and Dynamics Studies of Oxygen Isotope Exchange Reactions of CO2
... 2 isotope exchange reaction, alters the isotopic composition of stratospheric CO 2 and thus the interpretation of its chemical and transport ...2 isotope equilibration on the surfaces of PSCs and other ...
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An experiment to assess the effects of diatom dissolution on oxygen isotope ratios
... and oxygen isotope fractionation Isotope change during these experiments is potentially related to two different isotope fractionation ...equilibrium oxygen isotope exchange ...
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Oxygen isotope ratios in coexisting minerals of regionally metamorphosed rocks
... Whereas measured isotopic fractionations among quartz, garnet, ilmenite, and magnetite are approximately related to metamorphic grade , fractionations between these mi[r] ...
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Quantifying molecular oxygen isotope variations during a Heinrich stadial
... Changes in δ 18 O atm combine variations in biospheric and wa- ter cycle processes. The identification of the main driver of the millennial variability in δ 18 O atm is thus not straightfor- ward. Here, we quantify the ...
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Environmental and physiological controls over carbon and oxygen isotope variations in plants
... I specifically report on daily variation in the stable isotopes of C, N, 0 and H in the water and dry matter of xylem, phloem, leaves, and fruits of lupin, a legume c[r] ...
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