Results 81 to 90 of about 11,333 (211)

Detrital zircon SHRIMP U-Pb age study of the Cordillera Darwin Metamorphic Complex of Tierra del Fuego : sedimentary sources and implications for the evolution of the Pacific margin of Gondwana [PDF]

, 2010
The Cordillera Darwin Metamorphic Complex in the southernmost Andes includes a basement of probable Palaeozoic age, a mid-Jurassic and younger volcano-sedimentary cover, and a suite of Jurassic granites, all of which were jointly metamorphosed during the
Calderon, M., Fanning, C.M., Herve, F., Klepeis, K., Mpodozis, C., Pankhurst, R.J., Thomson, S.N.   +6 more
core   +1 more source

Deconvolving the Effects of Fluvial Transit and Storage on Preservation of Sedimentary Source Signals Using Heavy Minerals and Terrestrial Biomarkers

Basin Research, Volume 38, Issue 1, January–February 2026.
Sediment pathways from source to sink: Organic and clastic sediments are stored and transformed during floodplain transport and deposition, with transport modes shaping signal transmission and sediment alteration. ABSTRACT Analysis of naturally occurring markers of environmental signals, or proxy analysis, in sedimentary records can yield valuable ...
Sophia Dosch, Niels Hovius, Sergio Andò, Eduardo Garzanti, Marisa Repasch, Joel Scheingross, Dirk Sachse   +6 more
wiley   +1 more source

The Neoproterozoic Throssell Range Group, Western Australia: A Peri‐Marginal Continental Basin in Rodinia and Its Implications for the Centralian Superbasin

Basin Research, Volume 38, Issue 1, January–February 2026.
This study of recent exploration drillcore reveals two sequences separated by a disconformity. Basal alluvial fan to shallow marine lithofacies suggest reactivation of basement faults, and a distinct upwelling signature points to a flooded margin, controlled by differential subsidence of diverse Proterozoic lithosphere.
Ross B. Campbell, Peir K. Pufahl, Penelope Sinclair, Erin L. Martin, Lillian H. Cybulski, Urmidola Raye, Paul Polito, Rebecca Church, Marina Joury, Daniel Layton‐Matthews   +9 more
wiley   +1 more source

T-t Evolution of the Early Proterozoic Rocks in the Northern Ladoga Region from the Data on U-Pb, Rb-Sr and Sm-Nd Systems in Minerals

Геодинамика и тектонофизика
This paper presents the results of a study of isotopic systems in minerals and rocks in southern margin of the epi-Archean Karelian craton in the zone of its junction with the Svecofennian mobile belt.
Sh. K. Baltybaev, V. M. Savatenkov, M. E. Petrakova   +2 more
doaj   +1 more source

Le magmatisme de la région de Kwyjibo, Province\ud du Grenville (Canada) : intérêt pour les\ud minéralisations de type fer-oxydes associées [PDF]

, 2005
The granitic plutons located north of the Kwyjibo property in Quebec’s Grenville Province are of\ud Mesoproterozoic age and belong to the granitic Canatiche Complex . The rocks in these plutons are calc-alkalic, K-rich,\ud and meta- to peraluminous. They
Bain J.H.C., Benoît Magrina, Brugger J., Cathelineau M., Chabiron A., Chevé S., Chevé S., Clark T., Cooke M.L., Cuney M., Dion D.-J., Eby G.N., Edfelt A., Emslie R.F., Gauthier M., Ghandi S.S., Gobeil A., Gower C.F., Hildebrand R.S., Hitzman M.W., Hogart D.D., Karlstrom K.E., Lorilleux G., Madore L., McLelland J., Menard J.-J., Michel Cuney, Michel Jébrak, Noble D.C., Nyström J.-O., Oliver N.H.S., Pearce J.A., Perring C.S., Pollard P.J., Rivers T., Rivers T., Saint Germain P., Shaw D.M., Sillitoe R.H., Vidal C., Wilton D.H.C.   +40 more
core   +3 more sources

Ultrahigh‐Temperature Metamorphism and Near‐Isobaric Cooling of Garnet‐Orthopyroxene Granulite Xenoliths in the Sancheong Anorthosite, Yeongnam Massif, Korea

Journal of Metamorphic Geology, Volume 44, Issue 1, Page 20-46, January 2026.
ABSTRACT Elevated heat flow associated with mafic magmatism in accretionary orogens has often been proposed as a driving mechanism for (ultra)high‐temperature (UHT) metamorphism and anatexis. The Sancheong–Hadong complex, located in the southern Yeongnam Massif, Korea, consists of a ca.
Yuyoung Lee, Moonsup Cho, Jeongmin Kim, Youn‐Joong Jeong   +3 more
wiley   +1 more source

Natural CaO-TiO2-SiO2 based ceramics [PDF]

, 2011
Lešnica river deposits consist of a large number of minerals of different grain sizes including sphene. Since it is very difficult to obtain pure monophase titanite by different synthetic routes (sol-gel, coprecipitation, combustion, spray pyrolysis and ...
Aleksandar Kremenović, Jelena Pantić, Vesna Poharc-Logar, Volker Kahlenberg   +3 more
core  

Eoarchean–Paleoproterozoic Tectonothermal History of the Acasta Gneiss Complex Constrained by Titanite and Apatite Petrochronology

Geochemistry, Geophysics, Geosystems
Deciphering Earth's earliest geodynamic processes requires temporally constrained chemical and structural data from rare exposures of ancient rocks.
Omar Khalil Droubi, Ann M. Bauer, Chloë Bonamici, William O. Nachlas, Joshua M. Garber, Michael J. Tappa, Jesse R. Reimink   +6 more
doaj   +1 more source

U-Pb age of Kaapvaal craton titanite: geotectonic interpretation and correlation with the Karelian craton

Transactions of the Karelian Research Centre of the Russian Academy of Sciences, 2019
The results of dating of Kaapvaal Craton titanite are reported. It is shown that metamorphiczircon, apatite, amphibole and garnet in the Neoarchaean tectono-thermal activation belt in the eastern Swaziland terrane have an age of ca.
Наталья Сергеевна Нестерова, Александр Иванович Слабунов, Наиля Гаптрахмановна Ризванова, Natalya Nesterova, Alexander Slabunov, Nailya Rizvanova   +5 more
doaj   +1 more source

Reply to discussion on 'A high-precision U-Pb age constraint on the Rhynie Chert Konservat-Lagerstatte: time scale and other implications': Journal, 168, 863-872 [PDF]

, 2013
We welcome the opportunity to address the points raised by Mark et al. in their discussion of the chemical abrasion isotope dilution thermal ionization mass spectrometry (CA–ID–TIMS) U–Pb age constraint on the Rhynie Chert Konservat-Lagerstätte presented
Crowley, Q.G., Noble, S.R., Parry, S.F., Wellman, C.H.   +3 more
core   +1 more source