How To Use Geochemistry In A Sentence
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Geochemistry involves studying the chemical make-up of rocks, the chemistry of water or any geological material.
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Up front, the authors acknowledge the importance of ‘the emergence of biogeochemistry,’ taking this to indicate that distinctions are ‘melting away’ between biological, chemical, and earth sciences.
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The field-based studies were supplemented by thin-section petrography and whole-rock geochemistry to characterize different intrusive phases.
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Work in the lab and field studies focuses on the role of microorganisms in biogeochemical cycles, and conversely how the biogeochemistry of aquatic systems affects the production and activities of microorganisms.
Contributor: Steven W. Wilhelm
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The anomalous platinum group element geochemistry of the ejecta horizon suggests that the impactor was an asteroid.
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Dr. Likens 'research focuses on the ecology and biogeochemistry of forest and aquatic ecosystems, primarily through long-term studies at the Hubbard Brook Experimental Forest, in the White Mountains of New Hampshire.
Contributor: Gene Likens
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Site-specific features of the hydroperiod and geochemistry of the waters influencing the site will determine the specific type of peatland that will develop from the mineral wetland, be it swamp, fen or bog.
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Specifically, bachelor's degrees in engineering, business, ecology or hydrology and life sciences such as geochemistry were among educational requirements employers cited most frequently.
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It said the qualified person for the project has notified Brookemont that crews have uncovered a 4.5 km trend of gold related arsenic geochemistry anomaly, with visible arsenopyrite in amphibolitic gneiss with quartz veining cutting across the property.
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He is an active researcher in field and theoretical aspects of mass transport, contaminant hydrogeology and groundwater geochemistry.
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In an attempt to resolve this conundrum, we have carried out multidisciplinary research involving field studies, radiometric dating, geochemistry, palaeontology and palaeomagnetism.
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The lavas have been divided into two main series (informally called the lower volcanics and the plateau basalts) based on their stratigraphy, geochemistry and petrography.
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It argues the demarcations of the liquid property, and then judge the oiliness levels from geochemistry data. These explanation models of gasometry, geochemistry, rock fragment and etc are set up.
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The data and graphs from petrochemistry and geochemistry approve that the tectonic setting is continental margin arc.
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Dr. Patin is the author of over 200 publications (including seven books) in the field of marine ecology, oceanography, ecotoxicology, biogeochemistry, ecological monitoring, environmental management and sea protection.
Contributor: Stanislav Patin
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Mr. Brownlow, who has a Ph.D. in geochemistry, says it takes 407 million gallons to irrigate 640 acres and grow about $200,000 worth of corn on the arid land.
Oil's Growing Thirst for Water
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Overall, these changes in the primary production of the oceans have profound implications for the marine biosphere, carbon sinks, and biogeochemistry of Earth.
John F. Bruno: The Impact of Climate Change on the World's Marine Ecosystems
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All aspects of oceanic island rocks, including petrography, volcanology, and geochemistry, are inter-related. Thus, no one scale of observation is entirely satisfactory to understanding their origin.
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The major and trace element geochemistry of these rocks is consistent with a rift setting, as is their association with a lithostratigraphic protolith package of carbonates, shales and greywackes.
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Fine roots are an important source and sink for nutrients in terrestrial biogeochemistry.
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The paper on asbestos by Gibbons illustrates the breadth of studies in environmental geochemistry, and highlights the multi-disciplinary approach required, including in this case an understanding of political and social issues.
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As described by British-born Mark Russell, a senior research fellow at the NASA Jet Propulsion Laboratory and a specialist in geochemistry, they have “commanded the high ground for fifty years” and, he argues, have hurt origin-of-life science.
First Contact
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At the same time the state is willing to provide resources and manpower having trained in tailor-made programs in geology, geophysics, geochemistry, mineral beneficiation, mining engineering, etc.
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Chapter Twelve, by Phillipe Van Cappellen discusses global biogeochemical cycles; as the author says, the chapter introduces concepts of these cycles and concludes with a discussion of the carbon cycle, central to biogeochemistry.
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Based on a field investigation of the Wushanding mud volcano, the authors analyzed mineral components, fluid geochemistry and micropalaeontological assemblage of the muddy eructation .
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Geochemistry and petrology of the turbidites suggest deposition in a forearc basin.
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In an interview, Michael Mumma said that much of the methane in Earth's atmosphere is the result of biological processes, although some can be traced to non-biological activities, such as geochemistry.
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The field-based studies were supplemented by thin-section petrography and whole-rock geochemistry to characterize different intrusive phases.
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This research, at the interface between biogeochemistry and community ecology, is conducted in continental aquatic ecosystems and marine ecosystems alike, thereby bridging limnology and oceanography.
Contributor: Carlos M. Duarte
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Hevesy from Stockholm received the Nobel Prize for Chemistry for his work on the use of isotopes as tracers, involving studies in inorganic chemistry and geochemistry as well as on the metabolism in living organisms.
The Nobel Prize in Chemistry: The Development of Modern Chemistry
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Organic geochemistry is the study of the origin, transformation, and fate of life - derived matter on Earth.
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All aspects of oceanic island rocks, including petrography, volcanology, and geochemistry, are inter-related, Thus, no one scale of observation is entirely satisfactory to understanding their origin.
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To predict earthquake by using data is a new probe of geochemistry methods, so this work provides real observation base for its deepgoing study.
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The slow differentiation model for the Earth is now largely abandoned in the light of evidence from planetary exploration, dynamic simulations of nebular formation, and isotopic geochemistry of mantle, meteorite, and lunar samples.
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Because interactions of hydrology, geomorphology, and biology greatly complicate nitrogen cycling in estuaries, a complete understanding of the biogeochemistry of nitrogen in estuaries is lacking.
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Wholerock and chromite geochemistry suggests that these rocks have greatest affinity with picrites found on King Island, which have a latest Neoproterozoic age.
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Professor Taylor received the nation's highest civilian honour for his "outstanding service to science, particularly in the fields of geochemistry and cosmochemistry".
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The rock's geochemistry and mineralogy also strongly suggest to astronomers that it was heated substantially early on in its existence and that liquid water has coursed through its veins.
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Once they have sketched the outlines of the basic chronology, geochemistry and geography, the rest will probably fall, microfossil by microfossil.
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His research focuses on the global carbon cycle, biogeochemistry and paleoceanography.
Contributor: Richard Zeebe
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“The era of cosmochemistry and geochemistry, 1922 – 1935.”
Hilde Levi.
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The petrology and geochemistry of these volcanic rocks show that they form an essentially bimodal association of basalt and subalkaline rhyolite, with less common intermediate compositions.
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Their study is at the interface of inorganic chemistry and geochemistry.
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Noble gas isotopic geochemistry is a useful tool for studying on mantle degassing and evolution of the Earth′s atmosphere.
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The role of geochemistry in metallogeny: examples from Newfoundland, Australia, and Nunavut.
CROWDING OF AMERICA: NEXT ADDED 100 MILLION AMERICANS
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Hydrogeochemistry survey technology has a double - quick, convenient , economical characteristic in judging source of mine inrush water.
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With a background ranging from biogeochemistry to paleoceanography, Naqvi has carried out extensive research on the biogeochemistry of oxygen-deficient marine environments, especially denitrification and nitrous oxide cycling.
Contributor: Wajih Naqvi
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The rocks have a MORB-type geochemistry, and have been attributed to shallow melting of asthenospheric mantle, following removal and thinning of lithospheric mantle beneath the collisional orogen in late Oligocene time.
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Biochemistry is geochemistry," Morowitz said from his sunny end of the table.
Earth Day: War of the roses
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Ecoenvironmental geochemistry is a new frontier science.
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In 1983, he received a PhD in environmental geochemistry from the University of Heidelberg.
Contributor: Rudolf Reuther
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In an attempt to resolve this conundrum, we have carried out multidisciplinary research involving field studies, radiometric dating, geochemistry, palaeontology and palaeomagnetism.
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In an attempt to resolve this conundrum, we have carried out multidisciplinary research involving field studies, radiometric dating, geochemistry, palaeontology and palaeomagnetism.
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Couplings between changes in the climate systems and biogeochemistry, meaning that the increase is directly attributable to human activity and can be conclusively proven as such.
Yahoo! News: Business - Opinion
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He graduated from Dartmouth College in New Hampshire in 1957 and received a master's degree in geochemistry from the University of Oklahoma.
J. Robert Porter Jr., EarthSat founder, dies at 75
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Marvin Herndon was a post-doctoral assistant to Hans Suess and Harold C. Urey in geochemistry and cosmochemistry at the University of California, San Diego.
Kepler Discovers Planets-like Objects Hotter Than Stars | Universe Today
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The field-based studies were supplemented by thin-section petrography and whole-rock geochemistry to characterize different intrusive phases.
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Although their ages are correlative with the Parana Volcanic Province magmatism, the geochemistry, petrology and isotopic compositions of the Salta Rift magmas show different source regions and petrogenetic processes.
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The field relationships and geochemistry is described in detail by Fumes & Lippard, who differentiated a lower body of brecciated flow-banded and ‘flow-folded’ trachytic lava, interlayered with microgabbro.
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Therefore, the basalt of the Huangtian Fm has the dual geochemistry characteristics of both the ocean ridge and island arc basalts and formed in back arc basin environment.
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The influence of crustal lineaments on the distribution of igneous activity and their influence on its geochemistry are also illustrated by the location of metalliferous deposits.
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The chapter is intense reading but is packed with information that when digested certainly satiates the appetite for knowledge of the current status of sedimentary geochemistry.
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The identification of elements and compounds is critical to all areas to which chemistry is applied, from astrochemistry and biochemistry to geochemistry and industrial chemistry.
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In an attempt to resolve this conundrum, we have carried out multidisciplinary research involving field studies, radiometric dating, geochemistry, palaeontology and palaeomagnetism.
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Organic geochemistry is the study of the origin, transformation, and fate of life - derived matter on Earth.
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It is biogeochemistry that lends substance to the hypothesis that Ediacaran and Cambrian faunas are separated by mass extinction.
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Stereochemistry is also important in geology, especially mineralogy, with dealing with silicon based geochemistry.
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With the later advent of accelerator mass spectrometry, this has become a useful tool in geochemistry, but our counting techniques were not sensitive enough to make the method work.
Raymond Davis Jr. - Autobiography
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“Many people have assumed that the hematite in ancient rocks formed by the oxidation of siderite in the modern atmosphere,” said Hiroshi Ohmoto, professor of geochemistry, Penn State.
Deep-sea Rocks Point To Early Oxygen On Earth | Impact Lab
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The activation, migration, and redistribution of heavy metal and metalloid elements in reconstructive areas must disturb the balance of geochemistry of mine areas and their vicinity.
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He has studied long-term changes in nitrogen balance in village ecosystems of China's Tai Lake Region, and changes in the biogeochemistry of carbon, nitrogen and phosphorus across the densely populated agricultural village landscapes of China.
Contributor: Erle Ellis
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It you were to walk up to a living sauropod and put your hand on its side, its temperature would be very similar to your own, said John Eiler, a professor of geology and geochemistry at the California Institute of Technology in Pasadena and co-author of the study.
Fossil Studies Show Dinosaurs Were Warm-Blooded
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Work in the lab and field studies focuses on the role of microorganisms in biogeochemical cycles, and conversely how the biogeochemistry of aquatic systems affects the production and activities of microorganisms.
Contributor: Steven W. Wilhelm
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During the expedition, which lasted more than three months, its members performed research work in glaciology, meteorology, geophysics, geology, geochemistry, mineralogy, hydrogeology, zoology, botany, and ecology.
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Although in common use, the geochemistry of modern arc lavas is not a safe discriminator for the tectonic setting of Archaean volcanic rocks.
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Geochemistry generally concerns the study of the distribution and cycling of elements in the crust of the earth.