Results 71 to 80 of about 18,330 (214)

Mo Isotopic Records Imply Persistent Ocean Oxygenation in the Deep Southwest Pacific During the Early Cenozoic Warming Period

Geophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract During the early Cenozoic greenhouse period, counterintuitive contractions in tropical Pacific oxygen‐deficient zones have been linked to enhanced deep‐ocean ventilation, yet direct geological evidence remains limited. Here we present molybdenum (Mo) isotopic records from International Ocean Discovery Program Site U1509.
Xiaowen Liu, Xiaole Sun, Yi Huang, Weidong Sun, Yuchen Li, Yufei Hao, Sifan Wu, Le Li, Jing Huang   +8 more
wiley   +1 more source

The mineral and isotopic signatures of glacially eroded sediments exported from Hudson Strait to the Labrador Sea during Hudson Strait Heinrich events H0 to H4

Journal of Quaternary Science, Volume 41, Issue 1, Page 4-24, January 2026.
ABSTRACT The sediment signature of glacial erosion products exported from Hudson Strait to the Labrador Sea during Hudson Strait Heinrich (HS‐H) events is evaluated using four distinct proxies: paired δ18Ο and δ13C data on the carbonate fraction, εNd and U–Pb isotopes in the silicate fraction, the mineral composition of the <2 mm bulk sediment fraction,
John T. Andrews, David J. W. Piper, Matthew E. Kirby, Donald C. Barber   +3 more
wiley   +1 more source

Crustal Architecture of the Paleo‐Pacific Rift Margin of East Antarctica: Evidence From U‐Pb Ages and O‐Hf Isotope Compositions of Ross Orogen Granitoids

Geochemistry, Geophysics, Geosystems
Granitic batholiths of the ∼500 Ma Ross Orogen in Antarctica are voluminous in scale, reflecting prolific magmatism along the active early Paleozoic convergent margin of Gondwana.
John W. Goodge, C. Mark Fanning, Christopher M. Fisher, Jeffrey D. Vervoort   +3 more
doaj   +1 more source

Indoor - soil gas radon relationshipin the Central Bohemian Plutonic Complex

Annals of Geophysics, 2005
The relationship of indoor radon measurements and radon in bedrock was studied in the granitoid Central Bohemian Plutonic Complex (CBPC). The indoor data were linked to vectorised geological and radon risk maps using the coordinates of ...
I. Fojtíková, J. Miksová, I. Barnet
doaj   +1 more source

Regional Three‐Dimensional Magnetotelluric Electrical Resistivity Model of the Manica Greenstone Belt, Western Mozambique

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 1, January 2026.
Abstract Magnetotelluric (MT) survey results from the Late Archean Manica greenstone belt, an extension of the Odzi‐Mutare greenstone belt of the Zimbabwe Craton, are presented. A total of 33 MT stations were acquired on an irregular grid with an average station spacing of approximately 5 km.
Joao Jr. J. Castelo, Thorkild M. Rasmussen, Maxim Smirnov, Salvador Mondlane Jr., Daud Liace Jamal   +4 more
wiley   +1 more source

Mineralogy, geochemistry and conditions of formation Permian-Triassic intraplate granitoids of Sinyushenskiy Massif (Gorny Altai)

Литосфера, 2016
The data on geological settings, ages, special features of mineralogy and composition of Sinyushensky Massif granitoids the in north-west part of the Gorny Altay region.
N. N. Kruk, O. A. Gavrushkina, C. G. Shokalskiy, A. V. Travin   +3 more
doaj  

Petrochemistry of Granitoids Along the Loei Fold Belt, Northeastern Thailand

Resource geology (Tokyo. 1998), 2018
Petrochemical characteristics of Permo‐Triassic granitoids from five regions (i) Mung Loei, (ii) Phu Thap Fah – Phu Thep, (iii) Phetchabun, (iv) Nakon Sawan – Lobburi, and (v) Rayong – Chantaburi along the Loei Fold Belt (LFB), northeastern Thailand were
P. Nualkhao, R. Takahashi, A. Imai, P. Charusiri   +3 more
semanticscholar   +1 more source

Geoheritage Value of Three Localities from Kislovodsk in the Southern Central Ciscaucasus: A Resource of Large Resort Area

Geosciences
Many geographical domains possess notable geological and geomorphological features, which are yet to be characterized comprehensively in terms of geoheritage. The present study focuses on the Kislovodsk area, which is situated in the southern part of the
Natalia N. Yashalova, Dmitry A. Ruban
doaj   +1 more source

Petrogenesis of the Lalezar granitoid intrusions (Kerman Province - Iran) [PDF]

Journal of Sciences, Islamic Republic of Iran, 2015
The Lalezar granitoids crop out within volcanic successions of the Urumieh-Dokhtar Magmatic Assemblage (UDMA). These granitoids have a range from gabbro-diorites to granites in composition.
S. M. Niktabar, A. Moradian, H. Ahmadipour1, J. F. Santos, M. H. Mendes   +4 more
doaj  

Сomposition and mineralogy of granitoids of the Ob-Zaisan folded region in the context of the prediction of groundwater radioactivity

Горные науки и технологии
The presented research is carried out in continuation of the works connected with studying the nature of radioactivity of drainage waters of quarries of Novosibirsk region, performed by the Laboratory of Hydrogeology of Sedimentary Basins of Siberia ...
Vasiliy P. Sukhorukov , Anna F. Sukhorukova, Dmitry A. Novikov, Anton S. Derkachev   +3 more
doaj   +1 more source