Results 91 to 100 of about 212,155 (301)

Climate–carbon-cycle interactions and spatial heterogeneity of the late Triassic Carnian pluvial episode

Nature Communications
The Carnian Pluvial Episode (CPE; 234–232 million years ago) is an iconic but poorly understood hyperthermal event. Here, we present an integrated high-resolution (~2–10 kyr) multi-proxy record from a Carnian lacustrine succession of the Junggar Basin of
Xiangdong Zhao, Naihua Xue, Hu Yang, Daran Zheng, Jungang Peng, Joost Frieling, David De Vleeschouwer, Xuewu Fu, Wanglu Jia, Yanan Fang, Sha Li, Meng Wang, Xianye Zhao, Qiang Wang, Haichun Zhang, Jingeng Sha, Hugh C. Jenkyns, Philippe Claeys, Bo Wang   +18 more
doaj   +1 more source

Using Optically Stimulated Luminescence to Unravel Sedimentary Processes of the Usumacinta and Grijalva Rivers (SE Mexico) [PDF]

, 2012
This report provides an optically stimulated luminescence (OSL) chronology for sediment collected through terrace deposits of the Usumacinta and Grijalva rivers in SE Mexico.
Kinnaird, T.K., Munoz-Salinas, E., Sanderson, D.   +2 more
core  

Correlation of the Thanetian-Ilerdian turnover of larger foraminifera and the Paleocene-Eocene thermal maximum: confirming evidence from the Campo area (Pyrenees, Spain)

Geologica Acta, 2009
It has long been known that a major larger foraminifera turnover (LFT) occurred at the boundary between the Thanetian and Ilerdian stages, but its possible correlation with the Paleocene-Eocene thermal maximum (PETM) was unsuspected until the work of ...
V. PUJALTE, B. SCHMITZ, J.I. BACETA CABALLERO, X. ORUE-ECHEBARRÍA, G. BERNAOLA BILBAO, J. DINARÈS-TURELL, A. PAYROS AGIRRE, E. APELLANIZ INGUNZA, F. CABALLERO SANTAMARIA   +8 more
doaj  

Gunung Api purba Watuadeg: Sumber erupsi dan posisi stratigrafi

Indonesian Journal on Geoscience, 2014
http://dx.doi.org/10.17014/ijog.vol3no3.20081Pillow lava flows of pyroxene basalt containing 50 wt.% SiO are exposed at Opak River, west of Watuadeg Village, Sleman - Yogyakarta. The length of flow structures is between 2 – 10 m, with diameter of 0.5 – 1.
Sutikno Bronto, Sri MulyaningSih, G. Hartono, B. Astuti   +3 more
doaj   +1 more source

Melt regimes, internal stratigraphy, and flow dynamics of three glaciers in the Alaska Range [PDF]

, 2012
We used ground-penetrating radar (GPR), GPS and glaciochemistry to evaluate melt regimes and ice depths, important variables for mass-balance and ice-volume studies, of Upper Yentna Glacier, Upper Kahiltna Glacier and the Mount Hunter ice divide, Alaska.
Arcone, Steven, Campbell, Seth, Introne, Douglas, Kreutz, K, Osterberg, Erich, Volkening, Kevin, Wake, Cameron P, Winski, Dominic   +7 more
core   +2 more sources

Deposits of particulate gravity currents in the rock record

The Depositional Record, EarlyView.
Ben Kneller, Tian Yang, Bill Arnott, Victoria Valdez Buso   +3 more
wiley   +1 more source

Deciphering depositional controls and evolution of a lacustrine supradetachment basin through facies analysis: Gördes Basin, Western Türkiye

The Depositional Record, EarlyView.
The lacustrine Gördes Supradetachment Basin was developed along the Simav detachment fault during postorogenic extension in the north of the Menderes Massif in western Anatolia. The basin‐fill succession is represented by alluvial fan, Gilbert‐type delta, shoal‐water delta, foreshore, shoreface, offshore‐transition and peat‐forming mire deposits.
Ayhan Ilgar, Alper Bozkurt, Tolga Esirtgen, Ali Ergen, Ercan Tuncay, Sema Çobankaya   +5 more
wiley   +1 more source

Micro-regions of the Lepenski Vir culture: Padina in the Upper Gorge and Hajdučka Vodenica in the Lower Gorge of the Danube

Documenta Praehistorica, 2008
This paper was compelled into existence when confronting the fact that the most commonly discussed transitional period connecting the Late Mesolithic and the Early Neolithic in the Đerdap or the Iron Gates Gorges (present-day Serbia and Romania) is ...
Borislav Jovanović
doaj   +1 more source

Differentiating hyperpycnal, hypopycnal and turbidity current deposits in late Quaternary glaciogenic mud

The Depositional Record, EarlyView.
X‐ray CT and microscopic analysis of glaciogenic mud provide insight into the deposits of sediment‐laden density flows and reveal that strata comprise two microtextural motifs. The deposits of bottom‐hugging hyperpycnal flows and slope‐failure‐related turbidity currents are characterised by laterally continuous, sharply bounded silt‐rich and clay‐rich ...
Omar N. Al‐Mufti, R. William C. Arnott, Marc J. Hinton, Hazen A. J. Russell   +3 more
wiley   +1 more source

Cretaceous rudists of Guatemala

Revista Mexicana de Ciencias Geológicas, 2019
A small assemblage of rudists was described in the 1930´s from central Guatemala by MacGillavry and Mullerried… in order to continue, download the full paper in PDF.
Robert W. Scott
doaj