A5078799948- Geological and Geochemical Analysis
- Geological Studies and Exploration
- Geochemistry and Geologic Mapping
- Geological and Geophysical Studies
- Paleontology and Stratigraphy of Fossils
- Geological formations and processes
- Geology and Paleoclimatology Research
- earthquake and tectonic studies
- Geological Modeling and Analysis
- High-pressure geophysics and materials
- Clay minerals and soil interactions
- X-ray Diffraction in Crystallography
- Methane Hydrates and Related Phenomena
- Remote Sensing and Land Use
- Hydrocarbon exploration and reservoir analysis
- Landslides and related hazards
- Botany, Ecology, and Taxonomy Studies
- Geological and Geophysical Studies Worldwide
- Evolution and Paleontology Studies
- Inorganic Fluorides and Related Compounds
- Geological Formations and Processes Exploration
- Peatlands and Wetlands Ecology
- Botany and Plant Ecology Studies
McGill University
2024
UiT The Arctic University of Norway
2015-2023
University of Cape Town
2010-2014
Stellenbosch University
2013
Abstract This study investigates the behaviour of geochronometers zircon, monazite, rutile and titanite in polyphase lower crustal rocks Kalak Nappe Complex, northern Norway. A pressure–temperature–time–deformation path is constructed by combining microstructural observations with P–T conditions derived from phase equilibrium modelling U–Pb dating. The following tectonometamorphic evolution deduced: subvertical S1 fabric formed at ~730–775 °C ~6.3–9.8 kbar, above wet solidus sillimanite...
Abstract. This study investigates the tectonostratigraphy and metamorphic tectonic evolution of Caledonian Reisa Nappe Complex (RNC; from bottom to top: Vaddas, Kåfjord, Nordmannvik nappes) in northern Troms, Norway. Structural data, phase equilibrium modelling, U-Pb zircon titanite geochronology are used constrain timing pressure–temperature (P–T) conditions deformation metamorphism during nappe stacking that facilitated crustal thickening continental collision. Five samples taken different...
Research Article| March 01, 2010 STRUCTURAL GEOLOGY OF ROBBEN ISLAND: IMPLICATIONS FOR THE TECTONIC ENVIRONMENT SALDANIAN DEFORMATION C.D. ROWE; ROWE Department of Geological Sciences, University Cape Town, Private Bag X3, Rondebosch 7701, South Africa, Now at: Earth and Planetary California, Santa Cruz, 1156 High Street, CA 95064, United States America, email: christierowe@gmail.com Search for other works by this author on: GSW Google Scholar N.R. BACKEBERG; BACKEBERG...
Abstract The Leech River Shear Zone (LRSZ) on southern Vancouver Island separates the metasedimentary schists of Complex (LRC) from accreted oceanic plateau Siletz‐Crescent terrane. juxtaposition these rock units suggests a possible origin as subduction plate boundary but tectonic context LRSZ has yet to be fully established. We present field, microstructural, petrological, and geochronological observations that constrain structural metamorphic history LRSZ. mylonite zone straddles...
<p>Figure S1 includes large thin section scans for all samples. Figure S2 comprises electron backscatter diffraction (EBSD) area maps samples F09c and F11. S3 additional isopleths or garnet core estimates S4 EBSD GROD (grain reference orientation deviation) two garnets in eclogite showing minor internal misorientation consistent with fragmented compositional zoning. Tables S1–S9 include: (S1) a table of sample mineralogy; (S2) X-ray fluorescence data F09c, F11, F13c; (S3) analyses Fig....
<p>Figure S1 includes large thin section scans for all samples. Figure S2 comprises electron backscatter diffraction (EBSD) area maps samples F09c and F11. S3 additional isopleths or garnet core estimates S4 EBSD GROD (grain reference orientation deviation) two garnets in eclogite showing minor internal misorientation consistent with fragmented compositional zoning. Tables S1–S9 include: (S1) a table of sample mineralogy; (S2) X-ray fluorescence data F09c, F11, F13c; (S3) analyses Fig....
Lawsonite eclogites represent cold subduction in the rock record, and new localities provide rare natural field laboratories to investigate deep deformation processes. We present a lawsonite eclogite locality near Faro, Yukon Territory, Canada, first reported of Yukon-Tanana Terrane. The discovery indicates that mid- Late Permian Terrane subducted material an oceanic zone, contrast most previous models. define pressure-temperature-deformation (P-T-d) pathway for using combination...
Abstract. This study investigates the Caledonian metamorphic and tectonic evolution in northern Norway, examining structure tectonostratigraphy of Reisa Nappe Complex (RNC; from bottom to top, Vaddas, Kåfjord Nordmannvik nappes). Structural data, phase equilibrium modelling, U-Pb zircon titanite geochronology are used constrain timing P-T conditions deformation metamorphism that formed nappes facilitated crustal thickening during continental collision. Five samples taken different parts RNC...
&lt;p&gt;Fold and thrust belts are frequent structures that form under a compressive regime. They record variety of deformation guides earthquake ruptures controls seismic hazard. The Naukluft mountains Namibia with their extraordinary exposure, present unique opportunity to study carbonate fault rocks. Through linked field investigations microstructural analysis, we aim map how changes in strength contributed larger scale architectural evolution fold belt. Mineralogical assemblage...