A Cenozoic Record of Deep Oceanic Zn Isotopic Composition in Ferromanganese Crusts

M Zhao, N Planavsky, X Wang, Y Zhang… - American Journal of …, 2023 - ajsonline.org
Water plays a critical role in erosion and sediment transport and this relationship is most
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …

Raman spectra of carbonaceous material in metasediments: a new geothermometer

O Beyssac, B Goffé, C Chopin… - Journal of metamorphic …, 2002 - Wiley Online Library
Metasedimentary rocks generally contain carbonaceous material (CM) deriving from the
evolution of organic matter originally present in the host sedimentary rock. During …

[HTML][HTML] Large deformation mechanism of thin-layered carbonaceous slate and energy coupling support technology of NPR anchor cable in Minxian Tunnel: A case …

FN Wang, ZB Guo, XB Qiao, JY Fan, W Li, M Mi… - … and Underground Space …, 2021 - Elsevier
To solve the large deformation problem of thin-layered carbonaceous slate in Minxian
Tunnel, the mechanical properties and large-deformation mechanism of carbonaceous slate …

From organic matter to graphite: Graphitization

PR Buseck, O Beyssac - Elements, 2014 - pubs.geoscienceworld.org
Organic compounds, which on Earth originate mainly through biological activity, are
transformed under the physical conditions of Earth's crust, with the end product being …

Graphite, semi-graphite, natural coke, and natural char classification—ICCP system

B Kwiecińska, HI Petersen - International Journal of Coal Geology, 2004 - Elsevier
This document presents the International Committee for Coal and Organic Petrology (ICCP)
classification of four organic components that cannot be included into any of the three …

Graphitization in a high-pressure, low-temperature metamorphic gradient: a Raman microspectroscopy and HRTEM study

O Beyssac, JN Rouzaud, B Goffe, F Brunet… - … to Mineralogy and …, 2002 - Springer
The graphitization of carbonaceous material (CM) in a high-pressure metamorphic gradient
is characterized along a cross section in the Schistes Lustrés formation, Western Alps. Along …

Raman spectroscopic carbonaceous material thermometry of low-grade metamorphic rocks: Calibration and application to tectonic exhumation in Crete, Greece

JM Rahl, KM Anderson, MT Brandon… - Earth and Planetary …, 2005 - Elsevier
We present new Raman spectra data of carbonaceous material (CM) to extend the range of
the Raman spectra of CM thermometer (RSCM) to temperatures as low as 100° C. Previous …

[PDF][PDF] XRD graphitization degrees: a review of the published data and new calculations, correlations, and applications

A Vlahov - Geologica Balcanica, 2021 - researchgate.net
A system for transformation, correlation, and unification of subordinations between d002 (Å)
of semi-graphite and graphite, graphitization degrees and metamorphic temperature was …

Structural order evaluation and structural evolution of coal derived natural graphite during graphitization

S Zhang, Q Liu, H Zhang, R Ma, K Li, Y Wu, BJ Teppen - Carbon, 2020 - Elsevier
The structure of onset phase of coal derived natural graphite (CDNG for short), semi-
graphite, and CDNG subjected to different metamorphic grade were investigated using XRD …

C‐O‐H‐S fluid composition and oxygen fugacity in graphitic metapelites

JAD Connolly, B Cesare - Journal of metamorphic geology, 1993 - Wiley Online Library
Abstract C‐O‐H fluid produced by the equilibration of H2O and excess graphite must
maintain the atomic H/O ratio of water, 2: 1. This constraint implies that all thermodynamic …