[HTML][HTML] Raman spectroscopy as a tool to determine the thermal maturity of organic matter: Application to sedimentary, metamorphic and structural geology

DG Henry, I Jarvis, G Gillmore, M Stephenson - Earth-Science Reviews, 2019‏ - Elsevier
Raman spectrometry is a rapid, non-destructive alternative to conventional tools employed
to assess the thermal alteration of organic matter (OM). Raman may be used to determine …

Deformation thermometry based on quartz c-axis fabrics and recrystallization microstructures: A review

RD Law - Journal of structural Geology, 2014‏ - Elsevier
For quartz-rich tectonites two types of deformation thermometer are currently commonly
employed: 1) The quartz c-axis fabric opening-angle thermometer that provides an estimate …

Evidence for early life in Earth's oldest hydrothermal vent precipitates

MS Dodd, D Papineau, T Grenne, JF Slack, M Rittner… - Nature, 2017‏ - nature.com
Although it is not known when or where life on Earth began, some of the earliest habitable
environments may have been submarine-hydrothermal vents. Here we describe putative …

Classification and carbon structural transformation from anthracite to natural coaly graphite by XRD, Raman spectroscopy, and HRTEM

K Li, Q Liu, H Cheng, M Hu, S Zhang - Spectrochimica Acta Part A …, 2021‏ - Elsevier
Low-weight components of coal macromolecule were subjected to pyrolysis and
condensation when magmatic rock intruded into coal measure, eventually, the residual …

Early trace of life from 3.95 Ga sedimentary rocks in Labrador, Canada

T Tashiro, A Ishida, M Hori, M Igisu, M Koike, P Méjean… - Nature, 2017‏ - nature.com
The vestiges of life in Eoarchean rocks have the potential to elucidate the origin of life.
However, gathering evidence from many terrains is not always possible,,, and biogenic …

Initial Upper Palaeolithic material culture by 45,000 years ago at Shiyu in northern China

SX Yang, JF Zhang, JP Yue, R Wood, YJ Guo… - Nature Ecology & …, 2024‏ - nature.com
The geographic expansion of Homo sapiens populations into southeastern Europe occurred
by∼ 47,000 years ago (∼ 47 ka), marked by Initial Upper Palaeolithic (IUP) technology. H …

A new approach to develop the R aman carbonaceous material geothermometer for low‐grade metamorphism using peak width

Y Kouketsu, T Mizukami, H Mori, S Endo, M Aoya… - Island Arc, 2014‏ - Wiley Online Library
The R aman spectra of carbonaceous material (CM) from 19 metasediment samples
collected from six widely separated areas of S outhwest J apan and metamorphosed at …

Convergence history across Zagros (Iran): constraints from collisional and earlier deformation

P Agard, J Omrani, L Jolivet, F Mouthereau - International journal of earth …, 2005‏ - Springer
The Zagros orogen provides a unique opportunity within the Alpine system to evaluate the
interplay between a young Tertiary collision and earlier subduction/obduction processes …

On the characterization of disordered and heterogeneous carbonaceous materials by Raman spectroscopy

O Beyssac, B Goffé, JP Petitet, E Froigneux… - … Acta Part A: Molecular …, 2003‏ - Elsevier
The applicability of Raman spectroscopy to characterize disordered and heterogeneous
carbonaceous materials (CM) is discussed, by considering both natural and synthetic CM …

Microbially Induced Sedimentary Structures Recording an Ancient Ecosystem in the ca. 3.48 Billion-Year-Old Dresser Formation, Pilbara, Western Australia

N Noffke, D Christian, D Wacey, RM Hazen - Astrobiology, 2013‏ - liebertpub.com
Microbially induced sedimentary structures (MISS) result from the response of microbial
mats to physical sediment dynamics. MISS are cosmopolitan and found in many modern …