Results 161 to 170 of about 74,269 (283)

Present status of the geochronology of the early Precambrian of South India [PDF]

The present status of Precambrian geochronology of South India was summarized. Support was offered for Raith's conclusion of an extensive 3.3 to 3.4-Ga tonalite-forming event.
Gopalan, K., Srinivasan, R.
core   +1 more source

An Analysis of the Exposure History of Apollo 17 Soils: Exploring Relationships Between Lunar Soil Maturity Indices

Journal of Geophysical Research: Planets, Volume 131, Issue 1, January 2026.
Abstract Analysis of space weathering features in lunar regolith using transmission electron microscopy (TEM) allows researchers to characterize the surface exposure timescale of individual grains from the Moon. TEM analysis of regolith grains from Apollo 17 scoop samples, collected from five different locations in the Taurus‐Littrow Valley (TLV), each
J. A. McFadden, M. S. Thompson
wiley   +1 more source

Detrital zircon geochronology and petrography of Franciscan graywacke blocks at San Simeon, California : implications for melange genesis

, 2015
Anna Marie Morisani
openalex   +1 more source

Field Observations of Decreasing Rock Fracturing Rates Over Geologic Time

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 1, January 2026.
Abstract Rock fracturing regulates the topography, carbon cycle, geologic hazards, and infrastructure degradation of the Earth. Yet, there remains a paucity of constraints on long‐term fracturing behavior. Here we use field measurements of 2221 clasts across a range of environments and rock types to show that the number and total length of fractures in
M. Rasmussen, M. C. Eppes, A. Mushkin, P. G. Meredith, T. M. Mitchell, R. Keanini, J. Aldred, P. Andričević, S. Berberich, M. P. Dahlquist, S. G. Evans, M. Jain, M. Morovati, A. Layzell, Y. Nara, A. P. Rinehart, E. L. Sellwood, U. Shaanan   +17 more
wiley   +1 more source

High-resolution tephrochronology resolves stratigraphic complexities in archaeologically significant Nariokotome tuffs, Turkana Basin. [PDF]

Proc Natl Acad Sci U S A
Samim S, Dalton H, Phillips D, Hergt J.
europepmc   +1 more source

Geochronology and Geochemistry of the Dismembered Ophiolites in the Xingshuwa Accretionary Complex in Southeastern Inner Mongolia

, 2019
Jianfeng Liu
openalex   +1 more source

Data from: Holocene Sediment Provenance Evolution in the Northern South China Sea Inferred from Detrital Zircon Geochronology

, 2022
Ce Wang, Ming Su, Yaping Lei, Zeng Letian, Cui Heqi   +4 more
openalex   +1 more source

From Compression to Extension in the Eastern Pyrenees: New Insights From Low‐Temperature Thermochronology

Tectonics, Volume 45, Issue 1, January 2026.
Abstract The tectonic evolution of the Eastern Pyrenees from the orogenic mountain building to the post‐orogenic dismantling is still debated. Since the Oligocene, the Gulf of Lion rifting in the Western Mediterranean superimposed crustal extension in this eastern part of the Pyrenean belt, while compressional tectonics persisted in the Central ...
S. Peris, A. Griera, D. Gómez‐Gras, D. Stockli, A. Teixell   +4 more
wiley   +1 more source

Trace elements in the silicate minerals of the Borodino Meteorite (Н5)

Записки Горного института
Major (EPMA) and trace (SIMS) element geochemistry in olivine, low-Са pyroxene and mesostasis from porphyritic and barred chondrules, as well as the pyroxene-olivine aggregate and matrix of equilibrated ordinary Borodino chondrite (Н5) is discussed. No
Kristina G. Sukhanova
doaj  

Carbon and nitrogen isotope characterization of imported coals in South Korea

Frontiers in Environmental Science, 2023
Eui-Kuk Jeong, Eui-Kuk Jeong, Yeongmin Kim, Youn-Young Jung, Kwang-Sik Lee, Kwang-Sik Lee, Seung-Hyun Choi, Yeon-Sik Bong, Woo-Jin Shin   +8 more
doaj   +1 more source