Results 31 to 40 of about 131,165 (299)

Hydrothermal Alteration Mapping Using Landsat 8 and ASTER Data and Geochemical Characteristics of Precambrian Rocks in the Egyptian Shield: A Case Study from Abu Ghalaga, Southeastern Desert, Egypt

open access: yesRemote Sensing, 2022
This study evaluates the geological attributes of rocks within the Abu Ghalaga area using spatial, geochemical, and petrographic approaches. ASTER and Landsat imagery processed using band ratio and principal component analysis were used to map ...
Hatem M. El-Desoky   +7 more
doaj   +1 more source

Geochemical analysis of bulk marine sediment by Inductively Coupled Plasma–Atomic Emission Spectroscopy on board the JOIDES Resolution

open access: yes, 2002
Geochemical analyses on board the JOIDES Resolution have been enhanced with the addition of a Jobin-Yvon Ultrace inductively coupled plasma-atomic emission spectrometer (ICP-AES) as an upgrade from the previous X-ray fluorescence facility. During Leg 199,
Backman, J.   +30 more
core   +1 more source

The Transformation of Sediment Into Rock : Insights From IODP Site U1352, Canterbury Basin, New Zealand [PDF]

open access: yes, 2017
ACKNOWLEDGMENTS We thank the crew of the RV JOIDES Resolution for professional seamanship, excellent drilling, and the scientific support on board. GHB and SCG thank the Australia–New Zealand IODP Consortium (ANZIC), and KMM thanks the Consortium for ...
Browne, Greg H.   +8 more
core   +1 more source

Iron ore prospection East Aswan, Egypt, using remote sensing techniques

open access: yesEgyptian Journal of Remote Sensing and Space Sciences, 2015
In the present study, integrated remote sensing, geological and geochemical analyses provided three iron ore localities promising for iron mineralization namely; Kom-Ombo (area 1) Aswan (area 2) and Lake Naser (area 3).
S.M. Salem, E.A. El Gammal
doaj   +1 more source

Assessing impacts to groundwater from CO2-flooding of SACROC and Claytonville oil fields in West Texas [PDF]

open access: yes, 2006
Comparison of groundwater above two Permian Basin oil fields (SACROC Unit and Claytonville Field) near Snyder, Texas should allow us to assess potential impacts of 30 years of CO2-injection.
Guillot, Stephen N.   +2 more
core   +1 more source

The microstratigraphy of middens: capturing daily routine in rubbish at Neolithic Çatalhöyük, Turkey [PDF]

open access: yes, 2011
Microstratigraphy — the sequencing of detailed biological signals on site — is an important new approach being developed in the Çatalhöyük project. Here the authors show how microscopic recording of the strata and content of widespread middens on the ...
Almond, Matthew J.   +3 more
core   +1 more source

Fracture dolomite as an archive of continental palaeo-environmental conditions

open access: yesCommunications Earth & Environment, 2020
Palaeo-environmental conditions can be recorded in low-temperature continental archives, according to geochemical and isotopic analyses of dolomitic fracture infills at Erzberg ...
Andre Baldermann   +11 more
doaj   +1 more source

Geochemical Endmembers preserved in Gale Crater: A tale of two mudstones and their compositional differences according to ChemCam [PDF]

open access: yes, 2018
Gale crater contains two fine-grained mudstone sedimentary units: The Sheepbed mudstone member, and the Murray formation mud-stones. These mudstones formed as part of an ancient fluviolacustrine system.
Bedford, C. C.   +6 more
core   +1 more source

Building like a Coral—Parallelized, Multiscale Biofabrication

open access: yesAdvanced Materials, EarlyView.
Corals build stiff, strong, and inherently circular skeletal materials under resource‐ and energy‐limited conditions—offering blueprints for transformative materials. We synthesize the current understanding of coral biomineralization and reframe coral growth as a multiscale, parallelized biofabrication process.
Asma Rehman   +5 more
wiley   +1 more source

Paleo‐Earthquake Fingerprints and Along‐Strike Slip Variation of the Silent Mt. Morrone Normal Fault (Central Italy): A Structural‐Geochemical Approach

open access: yesGeochemistry, Geophysics, Geosystems
This study provides insights into the tectonic evolution of the normal Mt Morrone Fault System (MMFS) in Central Italy and highlights the utility of multidisciplinary approaches in reconstructing the seismic history of dormant fault systems.
S. Bello   +11 more
doaj   +1 more source

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