Results 111 to 120 of about 4,830,166 (199)

Proposal name: Lower Brule shoreline stabilization project

, 2021
Report to Congress for Future Water Resources Development (WRRDA 7001) Submission Package Proposal Name: Lower Brule Shoreline Stabilization Project Submission Date: 08/08/2017 Proposal ID Number: 90af1465-7755-46be-b204-fb0e785719a9 Purpose of Proposal:
Lower Brule Sioux Tribe of the Lower Brule Reservation, South Dakota
core  

Formation and Alteration of Magnesite Nodules From Kunwarara, Queensland, Australia, as an Analog to Mg‐Carbonate Formation on Mars

Journal of Geophysical Research: Planets, Volume 131, Issue 9, September 2026.
Abstract Magnesite (MgCO3) is a magnesium (Mg) carbonate mineral that records the aqueous environmental conditions of its formation. On Earth, magnesite forms in metamorphic, diagenetic or pedogenic environments, and distinguishing between these environments is critical for understanding the fluid chemistry during magnesite precipitation. Mg carbonates
E. L. Cardarelli, T. M. Present, P. M. Vasconcelos, L. C. Kah, C. Swindle, S. Bhattacharjee, K. Farley   +6 more
wiley   +1 more source

Linking Tectonics and Cratonic Vertical Motions: Deep‐Time Thermochronology Reveals >1,000 Myr of Low‐Temperature Conditions in Southeastern Finland

Tectonics, Volume 45, Issue 9, September 2026.
Abstract The Fennoscandian Shield potentially hosts the longest continuous habitable conditions for Earth's deep biosphere. Billion‐year equilibrium freeboard conditions of cratons and the longevity of deep biosphere microbial communities are directly related through the thermal histories of rocks that host these communities.
Josh Isaacs, William Guenthner, Henrik Drake, C. Brenhin Keller, Kalin T. McDannell   +4 more
wiley   +1 more source

Provenance Constraints on Early India–Asia Collision: Evidence From the Late Cretaceous–Early Cenozoic Sulaiman–Katawaz Basin Fill

Basin Research, Volume 38, Issue 5, September‐October 2026.
Integrated detrital zircon U–Pb, Nd–Sr isotopes and thermochronology record western Indian‐margin provenance reorganisation. Late Cretaceous–Palaeocene sediment supply was Indian‐affinity; Asian‐affinity input appeared across the Palaeocene–Eocene transition (~56.5–54.7 Ma), suggesting India–Asia collision was underway, while mixed provenance persisted
Nowrad Ali, Edward R. Sobel, Anne Bernhardt, Humaad Ghani, Muhammad Sajid, Mohibullah Mohibullah, Axel Gerdes, Jessica A. Stammeier, Johannes Glodny   +8 more
wiley   +1 more source

Reduced Injection Rates and Shallower Depths Mitigated Induced Seismicity in Oklahoma

The Seismic Record
The proximity of wastewater disposal to the Precambrian basement is a critical factor influencing induced earthquake rates in the Central United States, but the impact of reducing injection depths has not been widely demonstrated.
Robert J. Skoumal, Andrew J. Barbour, Justin L. Rubinstein, Margaret E. Glasgow   +3 more
doaj   +1 more source

Diagram of the Organizational Structure of the Precambrian Research Center

, 2006
The year given (2006) is an estimate; this item may have been from 2007.University of Minnesota Duluth. Precambrian Research Center. (2006). Diagram of the Organizational Structure of the Precambrian Research Center. Retrieved from the University Digital
University of Minnesota Duluth. Precambrian Research Center
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Biosignature Preservation in Stromatolites From the Carri Laufquen Lakes System, Patagonia: Implications for Martian Palaeolacustrine Environments

Geobiology, Volume 24, Issue 5, September/October 2026.
ABSTRACT The Carri Laufquen Lakes System is a highly alkaline, basalt‐hosted lacustrine environment in northern Patagonia, Argentina. Diverse morphologies of Late Pleistocene sub‐fossil stromatolites occur along the lakeshores. Using detailed optical and electron microscopy, spectroscopy and organic geochemical analyses, this study shows that ...
Victor Amir Cardoso Dorneles, Maëva Millan, Fernando J. Gómez, Primož Šket, Jens Najorka, Cindy Broderick, Wren Montgomery, Barbara Cavalazzi, Keyron Hickman‐Lewis   +8 more
wiley   +1 more source

Ostracods from the Nimar Sandstone Formation, Bagh Group (Upper Cretaceous) of Pipaldehla, Jhabua District, Madhya Pradesh, India: Paleobiogeography and age

Journal of the Palaeontological Society of India
The palaeobiogeography and age of the upper calcareous part of the Nimar Sandstone (NS), Bagh Group is determined based on ostracod fossils. The rocks of the NS directly rest over the Precambrian basement rocks outcropping near Pipaldehla, Gola Chhoti ...
Madan L. Nagori, Maya Chaudhary, Mahesh Kalal   +2 more
doaj   +1 more source

Adaptation of Microbialite‐Associated Prokaryotic Communities to Natural and Experimental Anoxic Conditions

Geobiology, Volume 24, Issue 5, September/October 2026.
ABSTRACT Microbialites are rocks formed by microbial communities that influence, promote, and/or control the precipitation of mineral phases. The oldest microbialites date back to the Archean and formed under globally anoxic conditions. Accordingly, modern microbialites developing under oxic conditions are limited analogs of their earliest predecessors.
Jeanne Caumartin, Karim Benzerara, Ana Gutiérrez‐Preciado, Miguel Iniesto, Paola Bertolino, Maria Ciobanu, Christophe Thomazo, Robin Havas, Didier Jézéquel, Philippe Deschamps, Rosaluz Tavera, David Moreira, Purificaciόn Lόpez‐Garcίa   +12 more
wiley   +1 more source

Assessment of the contribution of Precambrian deposits in forming the petroleum potential of the eastern part of the Volga-Urals basin using results of modeling

Записки Горного института
Consideration is given to results of geochemical analysis of organic matter and oils of the Proterozoic (the RF-V complex) and the Paleozoic (the pay intervals D2, D3, C1-2) of the eastern part of the Volga-Urals petroleum basin.
Dmitrii D. Kozhanov, Mariya Bolshakova
doaj