Search Results - "RADIOACTIVE dating"

Intermittent Brittle and Ductile Deformation as Recorded by Dating of Ultramylonites and Pseudotachylytes in Extending Continental Crust (Ivrea‐Verbano Zone, Italy).

Authors: Corvò, Stefania Montemagni, Chiara Zanchetta, Stefano et al.

Source: Terra Nova. Oct2025, Vol. 37 Issue 5, p277-286. 10p.

Subject Terms: *CONTINENTAL crust, *RADIOACTIVE dating, *RIFTS (Geology), *DEFORMATIONS (Mechanics), *GEOLOGICAL maps, *GRANULITE

Geographic Terms: ITALY

Consistency Between the Slip History Implied by in Situ ³⁶Cl Exposure Dating on an Active Normal Fault and the Timing of Holocene Coastal Notch Formation, Central Greece.

Authors: Robertson, Jenni Sgambato, Claudia Roberts, Gerald et al.

Source: Journal of Geophysical Research. Solid Earth. Oct2025, Vol. 130 Issue 10, p1-27. 27p.

Subject Terms: *COSMOGENIC nuclides, *RADIOACTIVE dating, *DEFORMATIONS (Mechanics), *EARTHQUAKE hazard analysis, *GRABENS (Geology)

Geographic Terms: CENTRAL Greece & Euboea (Greece), GREECE

Recent progress and future prospects of the early solar system chronology.

Authors: Amelin, Yuri Yin, Qing-Zhu

Source: National Science Review. Sep2025, Vol. 12 Issue 9, p1-22. 22p.

Subject Terms: *URANIUM-lead dating, *RADIOACTIVE dating, *SPACE exploration, *ISOTOPIC analysis, *PLANETESIMALS, *METEORITES, *PROTOPLANETARY disks

Professor Stephen H. Richardson: a geochemist for the ages.

Authors: Shirey, Steven B.¹ (AUTHOR) sshirey@carnegiescience.edu

Source: Mineralogy & Petrology. Sep2025, Vol. 119 Issue 3, p295-298. 4p.

Subject Terms: *GEOCHEMISTRY, *RADIOACTIVE dating, *RHENIUM, *PLATE tectonics, *INCLUSIONS (Mineralogy & petrology), *GEOLOGICAL time scales

Sedimentation rate and chronology of Çınarcık Basin, the Marmara Sea.

Authors: Koraltan, İ. Sert, İ. Elek, N. İ. et al.

Source: Journal of Radioanalytical & Nuclear Chemistry. Sep2025, Vol. 334 Issue 9, p6763-6772. 10p.

Subject Terms: *SEDIMENTATION & deposition, *RADIOACTIVE dating, *ENVIRONMENTAL history, *SEDIMENTATION analysis, *OCEAN

Geographic Terms: SEA of Marmara (Turkey)

Radiochronometric discordance in cast uranium metal: a multi-laboratory intercomparison exercise.

Authors: Higginson, Matthew A. Chen, Christine Yifeng Denton, Joanna S. et al.

Source: Journal of Radioanalytical & Nuclear Chemistry. Aug2025, Vol. 334 Issue 8, p5681-5689. 9p.

Subject Terms: *URANIUM, *RADIOACTIVE dating, *RADIOACTIVE substances, *RADIOISOTOPES, *SPATIAL variation

Company/Entity: LAWRENCE Livermore National Laboratory

Uranium particle age dating, aggregation, and model age best estimators.

Authors: Groopman, Evan E. Williamson, Todd L. Pope, Timothy R. et al.

Source: Analyst. 7/21/2025, Vol. 150 Issue 4, p3089-3111. 23p.

Subject Terms: *URANIUM, *RADIOACTIVE dating, *BAYESIAN analysis, *MASS spectrometry, *URANIUM-thorium dating, *SURFACE chemistry, *TIME measurements

OU‐9: A Potential Reference Material with High ⁸⁷Rb/⁸⁶Sr and ⁸⁷Sr/⁸⁶Sr for Data Quality Control and Method Validation in ID‐MS Rb‐Sr Geochronology.

Authors: Chu, Zhuyin Cui, Tianqi Meisel, Thomas C. et al.

Source: Geostandards & Geoanalytical Research. Jun2025, Vol. 49 Issue 2, p425-437. 13p.

Subject Terms: *DATA quality, *RADIOACTIVE dating, *REFERENCE sources, *TRACE element analysis, *SCIENTIFIC method, *PEGMATITES, *ISOTOPIC fractionation

Age-Dating of Volcanic Rocks: A Review.

Authors: Snelling, Andrew A.

Source: Creation Research Society Quarterly. Spring2025, Vol. 61 Issue 4, p283-300. 18p.

Subject Terms: *RADIOACTIVE dating, *VOLCANIC ash, tuff, etc., *HYPOTHESIS, *HALF-life (Nuclear physics)

Leveraging radioisotope geochronology and diffusion chronometry to trace the thermal evolution of magmatic systems.

Authors: (李蔚然), Wei-Ran Li Costa, Fidel

Source: National Science Review. Sep2025, Vol. 12 Issue 9, p1-3. 3p.

Subject Terms: *MAGMAS, *RADIOACTIVE dating, *MAGMATISM, *URANIUM-lead dating, *DIFFUSION measurements, *GEOPHYSICS

Minero-petrographic, geochemical, and multiisotopic characterization of the ancient banded travertine quarries of the Lycus Valley (Denizli, Türkiye).

Authors: KORALAY, Tamer İMRE, Nergis

Source: Turkish Journal of Earth Sciences. 2025 Special Issue, Vol. 34, p143-175. 33p.

Subject Terms: *CARBONATE minerals, *RADIOACTIVE dating, *TRAVERTINE, *ANCIENT civilization, *GEOCHEMISTRY, *DOLOMITE

Phases of Magmatism and Tectonics Along the Madagascar‐Comoros Volcanic Chain, and Synchronous Changes in the Kinematics of the Lwandle and Somalia Plates.

Authors: Rusquet, Anaïs Famin, Vincent Michon, Laurent et al.

Source: Journal of Geophysical Research. Solid Earth. Jan2025, Vol. 130 Issue 1, p1-28. 28p.

Subject Terms: *RADIOACTIVE dating, *NATURAL radioactivity, *GEOCHRONOMETRY, *NUCLEAR activation analysis, *VOLCANOES

Geographic Terms: SOMALIA

An astronomically validated U–Pb reference material for dating Quaternary speleothems.

Authors: Wang, Jian Kang, Le Niu, Xiaowen et al.

Source: JAAS (Journal of Analytical Atomic Spectrometry); Dec2025, Vol. 40 Issue 12, p3403-3412, 10p

Subject Terms: URANIUM-lead dating, SPELEOTHEMS, REFERENCE sources, LASER ablation, RADIOACTIVE dating, GEOLOGICAL time scales, PALEOCLIMATOLOGY, ISOTOPE dilution analysis

Edmontosaurus from the Rocky Mountain foothills, Alberta, and its chronostratigraphic position in the Late Cretaceous Brazeau Formation and correlative units in western Canada.

Authors: van der Reest, Aaron J. DuFrane, S. Andrew Reyes, Alberto V. et al.

Source: Canadian Journal of Earth Sciences; 2025, Vol. 62 Issue 11, p1578-1602, 25p

Subject Terms: CRETACEOUS Period, FOSSILS, GEOLOGICAL basins, PALEOENVIRONMENTAL studies, GEOLOGICAL formations, ORNITHISCHIA, RADIOACTIVE dating

Geographic Terms: ALBERTA

Did magmatism of the Central Atlantic Magmatic Province (CAMP) extend to the proto-Cameroon Line in the Gulf of Guinea (West/Central Africa)?

Authors: Hasegawa, Takeshi Aka, Festus Tongwa Iwamori, Hikaru et al.

Source: Earth, Planets & Space; 10/16/2025, Vol. 77 Issue 1, p1-28, 28p

Subject Terms: MAGMATISM, ANALYTICAL geochemistry, PHYSIOGRAPHIC provinces, RADIOACTIVE dating

Geographic Terms: GULF of Guinea, WEST Africa, NORTHEAST Brazil, BRAZIL, GUINEA (Region), SOUTH America

Spatio-temporal constraints on thrusting across fold-and-thrust belts worldwide.

Authors: Curzi, Manuel Billi, Andrea Carminati, Eugenio et al.

Source: Scientific Reports; 10/13/2025, Vol. 15 Issue 1, p1-15, 15p

Subject Terms: THRUST belts (Geology), SPATIOTEMPORAL processes, STRUCTURAL geology, RADIOACTIVE dating, FACIES, ROCK deformation, GEODYNAMICS

Consistency Between the Slip History Implied by in Situ ³⁶Cl Exposure Dating on an Active Normal Fault and the Timing of Holocene Coastal Notch Formation, Central Greece.

Authors: Robertson, Jenni Sgambato, Claudia Roberts, Gerald et al.

Source: Journal of Geophysical Research. Solid Earth; Oct2025, Vol. 130 Issue 10, p1-27, 27p

Subject Terms: COSMOGENIC nuclides, RADIOACTIVE dating, DEFORMATIONS (Mechanics), EARTHQUAKE hazard analysis, GRABENS (Geology)

Geographic Terms: CENTRAL Greece & Euboea (Greece), GREECE

Tectonothermal Evolution of the NW Wyoming Province: Insights From Coupled Garnet Lu‐Hf and Sm‐Nd Geochronology.

Authors: Chen, Tsai‐Wei Vervoort, Jeff Baldwin, Julia et al.

Source: Journal of Metamorphic Geology; Oct2025, Vol. 43 Issue 8, p839-862, 24p

Subject Terms: OROGENY, LAURENTIA (Continent), RADIOACTIVE dating, PHYSIOGRAPHIC provinces, GEOLOGICAL time scales

Geographic Terms: WYOMING, MONTANA

Magnetostratigraphy of the Niubao Formation in the Bangong‐Nujiang Suture Zone: Constraints on the Amount of Crustal Shortening of the Tibetan Plateau Since 60 Ma.

Authors: Li, Shuai Han, Zhongpeng Li, Yalin et al.

Source: Geophysical Research Letters. 10/28/2024, Vol. 51 Issue 20, p1-12. 12p.

Subject Terms: *SUTURE zones (Structural geology), *RADIOACTIVE dating, *GEOGRAPHIC boundaries, *CENOZOIC Era, *EOCENE Epoch, *SEDIMENTARY basins

Post-glacial stratigraphy and late Holocene record of great Cascadia earthquakes in Ozette Lake, Washington, USA.

Authors: Brothers, Daniel S. Sherrod, Brian L. Singleton, Drake M. et al.

Source: Geosphere. Oct2024, Vol. 20 Issue 5, p1315-1346. 32p.

Subject Terms: *SEISMIC reflection method, *RADIOACTIVE dating, *SUBDUCTION zones, *TURBIDITES, *HOLOCENE Epoch, *THRUST faults (Geology)