Suche
Anzeige der Dokumente 471-480 von 933
Nd–Sr–Hf–O isotope provinciality in the northernmost Arabian–Nubian Shield: implications for crustal evolution
(
- Contributions to Mineralogy and Petrology
, 2009)
Multi-isotope study including whole-rock Nd–Sr, single zircon Hf, and SIMS δ18O analyses of zircons sheds light on magma sources in the northernmost Arabian–Nubian Shield (ANS) during ~820–570 Ma. Reconnaissance initial ...
The Sierra Ballena Shear Zone in the southernmost Dom Feliciano Belt (Uruguay): evolution, kinematics, and deformation conditions
(
- International Journal of Earth Sciences
, 2009)
The Sierra Ballena Shear Zone (SBSZ) is part of a high-strain transcurrent system that divides the Neoproterozoic Dom Feliciano Belt of South America into two different domains. The basement on both sides of the SBSZ shows ...
Zircon texture and chemical composition as a guide to magmatic processes and mixing in a granitic environment and coeval volcanic system
(
- Contributions to Mineralogy and Petrology
, 2009)
This study documents the chemical and textural responses of zircon in the Elba igneous complex, with particular reference to the 7- to 7.8-Ma-old Monte Capanne pluton in relation to its coeval volcanic counterpart (Capraia), ...
Geodynamic evolution of the Eastern Sierras Pampeanas (Central Argentina) based on geochemical, Sm–Nd, Pb–Pb and SHRIMP data
(
- International Journal of Earth Sciences
, 2010)
The replacement of plagioclase feldspars by albite: observations from hydrothermal experiments
(
- Contributions to Mineralogy and Petrology
, 2009)
Oligoclase and labradorite crystals have been experimentally replaced by albite in an aqueous sodium silicate solution at 600°C and 2 kbars. The replacement is pseudomorphic and is characterised by a sharp chemical interface ...
Stability assessment of marble statuaries of the Schlossbrücke (Berlin, Germany) based on rock strength measurements and ultrasonic wave velocities
(
- Environmental Earth Sciences
, 2013)
The degree of weathering in natural stones on buildings and sculptures has been determined for many years in numerous cases by means of ultrasonic measurements. Conclusions concerning the strength of the rock and the type ...
A Numerical Model of Tracer Transport in a Non-isothermal Two-Phase Flow System for CO2 Geological Storage Characterization
(
- Transport in Porous Media
, 2013)
Der Neubrandenburger Maler Manfred Asmuss und das geologische Naturerbe
(
- Neubrandenburger Geologische Beiträge
, 2012-04-17)
Die besondere Naturraumausstattung Mecklenburgs wird seit Jahrhunderten bis in die Gegenwart von zahlreichen Malern in Bildern dargestellt. Zu ihnen gehört auch Manfred Asmuss, Mitglied des Geowissenschaftlichen Vereins ...
Zur Landschafts- und Gewässergeschichte der Müritz: Umweltgeschichtlich orientierte Bohrungen 2004–2006 zur Rekonstruktion der nacheiszeitlichen Entwicklung
(Geozon Science Media, 2009)
Mit 113,5 km2 Wasserfläche und einem Einzugsgebiet von 1230 km2 ist die Müritz (62 m HN) der zweitgrösste See des nordmitteleuropäischen Tieflandes (Knapp et al. 1999). Sie war in den vergangenen Jahrzehnten bereits mehrfach ...
Influence of Effective Stress and Pore Fluid Pressure on Fault Strength and Slip Localization in Carbonate Slip Zones
(
- Journal of Geophysical Research: Solid Earth
, 2020-11-05)
The presence of pressurized fluids influences the mechanical behavior of faults. To test the roles of normal stress and fluid pressure on shear strength and localization behavior of calcite gouges, we conducted a series ...