geochemistry
बॉयोमेट्रिक्स
definition
noun
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.
the study of the chemical composition of the earth and its rocks and minerals.
example
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.
The field-based studies were supplemented by thin-section petrography and whole-rock 'geochemistry' to characterize different intrusive phases.
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.
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.
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.
Environmental management companies need 'geochemists' to help them decide how to best dispose of toxic materials or clean up hazardous waste sites.
This is also supported by the petrological and 'geochemical' characteristics of the mafic magmatism associated with the granitoids.
Trace elements and oxygen isotopes are useful 'geochemical' indicators of the chemistry of the waters from which the chert precipitated.
Will collaboration with other geologists, such as sedimentary isotope 'geochemists' or paleoceanographers, provide the necessary insight and data?
In the 1970s 'geochemists' realized that such a record might be found in the sediments deposited at the bottom of the oceans.
Comparison of the 'geochemical' and isotopic signatures of basic and ultrabasic dykes from across the area shows that there is no systematic variation related to the age of the country rock.
Identical augen granites also crop out a few kilometres further west, but are mostly highly weathered and less suitable for isotopic and 'geochemical' analysis.
The geophysical and igneous 'geochemical' evidence suggests this has greater similarity with Avalon than the Midland Valley Terrane.
From extensive databases of solubility constants and their dependence on bulk solution chemistry, 'geochemists' can determine which minerals are dissolving or precipitating.
In a similar vein, 'geochemists' have investigated the chemistry of petroleum and its precursors in an attempt to understand its formation.
Credits: Google Translate
