A5069488905- Geological and Geochemical Analysis
- Geological formations and processes
- earthquake and tectonic studies
- Geology and Paleoclimatology Research
- Geological and Tectonic Studies in Latin America
- Geochemistry and Geologic Mapping
- Geological and Geophysical Studies Worldwide
- High-pressure geophysics and materials
- Geological Studies and Exploration
- Image Processing and 3D Reconstruction
- Marine and environmental studies
- Hydrology and Sediment Transport Processes
- Hydrocarbon exploration and reservoir analysis
- Botany and Geology in Latin America and Caribbean
- Archaeological and Geological Studies
- Water-Energy-Food Nexus Studies
- Marine and Offshore Engineering Studies
- Plant Ecology and Soil Science
- Geological and Geophysical Studies
- Evolution and Paleontology Studies
- Paleontology and Stratigraphy of Fossils
- Chemical Synthesis and Characterization
- Research Data Management Practices
- Aeolian processes and effects
- Scientific Computing and Data Management
University of Nevada, Las Vegas
2020-2024
Scripps Institution of Oceanography
2023-2024
University of California, San Diego
2023-2024
The University of Texas at Austin
2017-2023
Abstract Convergent plate boundaries show sharp variations in orogenic width and extent of intraplate deformation. Analysis late Cenozoic contractile deformation along the Andean mountain front adjacent foreland highlights contrasting degrees advance toward interior. The retroarc positions topographic (marked by frontal thrust-belt structures) (defined isolated basement block uplifts) range from 300 to 900 km inboard trench axis. Over ~8000 arcuate length Andes (10°N 55°S), four discrete...
Abstract The spatial and temporal distribution of arc magmatism associated isotopic variations provide insights into the Phanerozoic history western margin South America during major shifts in Andean pre-Andean plate interactions. We integrated detrital zircon U-Th-Pb Hf results across continental magmatic systems Chile Argentina (28°S–33°S) with igneous bedrock geochronologic isotope to define signatures linked changes processes. Key tectonic phases included: Paleozoic terrane accretion...
Broken foreland basins are caused by crustal-scale contractional basement structures that compartmentalize (or break) a contiguous retroarc or collisional basin into smaller disconnected basins. differ from their unbroken counterparts in deformational, depositional, and geodynamic framework. Whereas (unbroken) generated mainly regional flexural loading due to shortening of supracrustal cover strata uppermost organized ramp-flat thrust systems, broken governed principally isolated topographic...
Abstract Understanding the effects of flat slab subduction on mountain building, arc magmatism, and basin evolution is fundamental to convergent‐margin tectonics, with implications for potential feedbacks among geodynamic, magmatic, surface processes. New stratigraphic geochronological constraints Cenozoic sedimentation magmatism in southern Central Andes Argentina (31°S) reveal shifts volcanism, foreland/hinterland development, sediment accumulation, provenance as retroarc region was...
Abstract The southern Central Andes recorded retroarc shortening, basin evolution, and magmatic arc migration during Neogene changes in subduction. At 31–33°S, above the modern flat‐slab segment, spatial temporal linkages between thin‐ thick‐skinned foreland basement‐involved exhumation of main Cordillera, lower‐crustal hinterland thickening remain poorly resolved. We integrate new geochronological thermochronological data for thrust sheets fill with structural, sedimentological, passive...
Abstract Sedimentary basins provide a deep time archive of tectonic and Earth-surface processes that can be leveraged by detrital mineral U-Pb dating geochemistry to track paleogeography, magmatism, crustal evolution. Zircon preserves the long-term (billions years) record supercontinent cycles; however, it is biased toward preserving felsic records. Detrital rutile complements zircon providing constraints on temperature rifting mafic metamorphism, exhumation middle lower crust, subduction,...
Continental drainage systems archive complex records of rock uplift, source area relief, precipitation, glaciation, and carbon cyclicity driven largely by tectonics climate. Significant progress has been made in linking such external environmental forcings to the geomorphic expression landscapes stratigraphic record depositional basins coastal offshore areas. However, there are large uncertainties degree which sediment dispersal processes can modify signals between erosional sources sinks....
Abstract Central Argentina from the Pampean flat‐slab segment to northern Patagonia (27°–41°S) represents a classic example of broken retroarc basin with strong tectonic and climatic control on fluvial sediment transport. Combined previous research focused coastal sediments, this actualistic provenance study uses framework petrography heavy‐mineral data trace multistep dispersal volcaniclastic detritus first eastwards across central for up ca. 1,500 km next northwards another 760 along...
Abstract The Andes of western Argentina record spatiotemporal variations in morphology, basin geometry, and structural style that correspond with changes crustal inheritance convergent margin dynamics. Above the modern Pampean flat‐slab subduction segment (27–33°S), retroarc shortening generated a fold‐thrust belt intraforeland basement uplifts converge north ∼29°S, providing opportunities to explore effects varied deformation regimes on synorogenic sedimentation. We integrate new detrital...
Abstract The Pyrenees Mountains are a classic example of doubly‐verging collisional orogenic system with flanking retro‐ and pro‐foreland basin systems. Previous bedrock detrital geo‐/thermochronologic studies have observed magmatic exhumation‐related ages that reflect complex thermo‐tectonic evolution the European Iberian plate margins related to break‐up assembly Gondwana, Pangea Pyrenean‐Alpine cycles. This study integrates zircon, rutile apatite U‐Pb dating and, zircon (U‐Th)/He from...
Abstract. Iceland records over 15 million years of complex volcanism resulting from the intersection a mid-ocean ridge and mantle plume upwelling. The has been active for at least 70 Myr, with surface expressions in Greenland, North Atlantic, Iceland. hotspot may exhibit periods increased volcanic output linked to pulses upwelling within plume. Understanding Iceland's magmatic history potential pulsation could provide key insights into dynamic topography driving changes deep-water oceanic...
Abstract. Iceland records over fifteen million years of complex volcanism resulting from the intersection mid-ocean ridge and mantle plume upwelling. The has been active for at least 70 Ma, with surface expressions in Greenland, North Atlantic, Iceland. hotspot may exhibit periods increased volcanic output linked to pulses upwelling within plume. Understanding Iceland’s magmatic history potential pulsation could provide key insights into dynamic topography driving changes deep-water oceanic...