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George E. Gehrels - One of the best experts on this subject based on the ideXlab platform.
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U‐Pb zircon constraints on the age and provenance of the Rocas Verdes Basin Fill, Tierra del Fuego, Argentina
Geochemistry Geophysics Geosystems, 2009Co-Authors: David L. Barbeau, David J. Gombosi, Khandaker M. Zahid, Michael Bizimis, Nicholas L. Swanson-hysell, Victor A. Valencia, George E. GehrelsAbstract:The Late Jurassic to Early Cretaceous Rocas Verdes Basin constitutes one of the most poorly understood components of the southernmost Andes. As a result, accurate reconstructions and interpretations of deformation associated with the Andean orogeny and the kinematics of Scotia arc development also remain poorly constrained. In this data brief, we report U-Pb zircon ages from sandstones of the Rocas Verdes Basin Fill and from a crosscutting pluton in the southernmost Andes of Argentine Tierra del Fuego. Detrital samples contain predominant Early to early Middle Cretaceous (circa 130–105 Ma) U-Pb zircon age populations, with very small or single-grain middle Mesozoic and Proterozoic subpopulations. A very small subpopulation of Late Cretaceous ages in one sample raises the unlikely possibility that parts of the Rocas Verdes Basin are younger than perceived. A sample from a crosscutting syenitic pegmatite yields a crystallization age of 74.7 +2.2/−2.0 Ma. The data presented herein encourage further geochronologic evaluation of the Rocas Verdes Basin in order to better constrain the depositional ages and provenance of its contents.
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u pb zircon constraints on the age and provenance of the rocas verdes Basin Fill tierra del fuego argentina
Geochemistry Geophysics Geosystems, 2009Co-Authors: David L. Barbeau, David J. Gombosi, Khandaker M. Zahid, Michael Bizimis, Victor A. Valencia, Nicholas L Swansonhysell, George E. GehrelsAbstract:The Late Jurassic to Early Cretaceous Rocas Verdes Basin constitutes one of the most poorly understood components of the southernmost Andes. As a result, accurate reconstructions and interpretations of deformation associated with the Andean orogeny and the kinematics of Scotia arc development also remain poorly constrained. In this data brief, we report U-Pb zircon ages from sandstones of the Rocas Verdes Basin Fill and from a crosscutting pluton in the southernmost Andes of Argentine Tierra del Fuego. Detrital samples contain predominant Early to early Middle Cretaceous (circa 130–105 Ma) U-Pb zircon age populations, with very small or single-grain middle Mesozoic and Proterozoic subpopulations. A very small subpopulation of Late Cretaceous ages in one sample raises the unlikely possibility that parts of the Rocas Verdes Basin are younger than perceived. A sample from a crosscutting syenitic pegmatite yields a crystallization age of 74.7 +2.2/−2.0 Ma. The data presented herein encourage further geochronologic evaluation of the Rocas Verdes Basin in order to better constrain the depositional ages and provenance of its contents.
David J. Gombosi - One of the best experts on this subject based on the ideXlab platform.
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U‐Pb zircon constraints on the age and provenance of the Rocas Verdes Basin Fill, Tierra del Fuego, Argentina
Geochemistry Geophysics Geosystems, 2009Co-Authors: David L. Barbeau, David J. Gombosi, Khandaker M. Zahid, Michael Bizimis, Nicholas L. Swanson-hysell, Victor A. Valencia, George E. GehrelsAbstract:The Late Jurassic to Early Cretaceous Rocas Verdes Basin constitutes one of the most poorly understood components of the southernmost Andes. As a result, accurate reconstructions and interpretations of deformation associated with the Andean orogeny and the kinematics of Scotia arc development also remain poorly constrained. In this data brief, we report U-Pb zircon ages from sandstones of the Rocas Verdes Basin Fill and from a crosscutting pluton in the southernmost Andes of Argentine Tierra del Fuego. Detrital samples contain predominant Early to early Middle Cretaceous (circa 130–105 Ma) U-Pb zircon age populations, with very small or single-grain middle Mesozoic and Proterozoic subpopulations. A very small subpopulation of Late Cretaceous ages in one sample raises the unlikely possibility that parts of the Rocas Verdes Basin are younger than perceived. A sample from a crosscutting syenitic pegmatite yields a crystallization age of 74.7 +2.2/−2.0 Ma. The data presented herein encourage further geochronologic evaluation of the Rocas Verdes Basin in order to better constrain the depositional ages and provenance of its contents.
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u pb zircon constraints on the age and provenance of the rocas verdes Basin Fill tierra del fuego argentina
Geochemistry Geophysics Geosystems, 2009Co-Authors: David L. Barbeau, David J. Gombosi, Khandaker M. Zahid, Michael Bizimis, Victor A. Valencia, Nicholas L Swansonhysell, George E. GehrelsAbstract:The Late Jurassic to Early Cretaceous Rocas Verdes Basin constitutes one of the most poorly understood components of the southernmost Andes. As a result, accurate reconstructions and interpretations of deformation associated with the Andean orogeny and the kinematics of Scotia arc development also remain poorly constrained. In this data brief, we report U-Pb zircon ages from sandstones of the Rocas Verdes Basin Fill and from a crosscutting pluton in the southernmost Andes of Argentine Tierra del Fuego. Detrital samples contain predominant Early to early Middle Cretaceous (circa 130–105 Ma) U-Pb zircon age populations, with very small or single-grain middle Mesozoic and Proterozoic subpopulations. A very small subpopulation of Late Cretaceous ages in one sample raises the unlikely possibility that parts of the Rocas Verdes Basin are younger than perceived. A sample from a crosscutting syenitic pegmatite yields a crystallization age of 74.7 +2.2/−2.0 Ma. The data presented herein encourage further geochronologic evaluation of the Rocas Verdes Basin in order to better constrain the depositional ages and provenance of its contents.
David L. Barbeau - One of the best experts on this subject based on the ideXlab platform.
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U‐Pb zircon constraints on the age and provenance of the Rocas Verdes Basin Fill, Tierra del Fuego, Argentina
Geochemistry Geophysics Geosystems, 2009Co-Authors: David L. Barbeau, David J. Gombosi, Khandaker M. Zahid, Michael Bizimis, Nicholas L. Swanson-hysell, Victor A. Valencia, George E. GehrelsAbstract:The Late Jurassic to Early Cretaceous Rocas Verdes Basin constitutes one of the most poorly understood components of the southernmost Andes. As a result, accurate reconstructions and interpretations of deformation associated with the Andean orogeny and the kinematics of Scotia arc development also remain poorly constrained. In this data brief, we report U-Pb zircon ages from sandstones of the Rocas Verdes Basin Fill and from a crosscutting pluton in the southernmost Andes of Argentine Tierra del Fuego. Detrital samples contain predominant Early to early Middle Cretaceous (circa 130–105 Ma) U-Pb zircon age populations, with very small or single-grain middle Mesozoic and Proterozoic subpopulations. A very small subpopulation of Late Cretaceous ages in one sample raises the unlikely possibility that parts of the Rocas Verdes Basin are younger than perceived. A sample from a crosscutting syenitic pegmatite yields a crystallization age of 74.7 +2.2/−2.0 Ma. The data presented herein encourage further geochronologic evaluation of the Rocas Verdes Basin in order to better constrain the depositional ages and provenance of its contents.
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u pb zircon constraints on the age and provenance of the rocas verdes Basin Fill tierra del fuego argentina
Geochemistry Geophysics Geosystems, 2009Co-Authors: David L. Barbeau, David J. Gombosi, Khandaker M. Zahid, Michael Bizimis, Victor A. Valencia, Nicholas L Swansonhysell, George E. GehrelsAbstract:The Late Jurassic to Early Cretaceous Rocas Verdes Basin constitutes one of the most poorly understood components of the southernmost Andes. As a result, accurate reconstructions and interpretations of deformation associated with the Andean orogeny and the kinematics of Scotia arc development also remain poorly constrained. In this data brief, we report U-Pb zircon ages from sandstones of the Rocas Verdes Basin Fill and from a crosscutting pluton in the southernmost Andes of Argentine Tierra del Fuego. Detrital samples contain predominant Early to early Middle Cretaceous (circa 130–105 Ma) U-Pb zircon age populations, with very small or single-grain middle Mesozoic and Proterozoic subpopulations. A very small subpopulation of Late Cretaceous ages in one sample raises the unlikely possibility that parts of the Rocas Verdes Basin are younger than perceived. A sample from a crosscutting syenitic pegmatite yields a crystallization age of 74.7 +2.2/−2.0 Ma. The data presented herein encourage further geochronologic evaluation of the Rocas Verdes Basin in order to better constrain the depositional ages and provenance of its contents.
Khandaker M. Zahid - One of the best experts on this subject based on the ideXlab platform.
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U‐Pb zircon constraints on the age and provenance of the Rocas Verdes Basin Fill, Tierra del Fuego, Argentina
Geochemistry Geophysics Geosystems, 2009Co-Authors: David L. Barbeau, David J. Gombosi, Khandaker M. Zahid, Michael Bizimis, Nicholas L. Swanson-hysell, Victor A. Valencia, George E. GehrelsAbstract:The Late Jurassic to Early Cretaceous Rocas Verdes Basin constitutes one of the most poorly understood components of the southernmost Andes. As a result, accurate reconstructions and interpretations of deformation associated with the Andean orogeny and the kinematics of Scotia arc development also remain poorly constrained. In this data brief, we report U-Pb zircon ages from sandstones of the Rocas Verdes Basin Fill and from a crosscutting pluton in the southernmost Andes of Argentine Tierra del Fuego. Detrital samples contain predominant Early to early Middle Cretaceous (circa 130–105 Ma) U-Pb zircon age populations, with very small or single-grain middle Mesozoic and Proterozoic subpopulations. A very small subpopulation of Late Cretaceous ages in one sample raises the unlikely possibility that parts of the Rocas Verdes Basin are younger than perceived. A sample from a crosscutting syenitic pegmatite yields a crystallization age of 74.7 +2.2/−2.0 Ma. The data presented herein encourage further geochronologic evaluation of the Rocas Verdes Basin in order to better constrain the depositional ages and provenance of its contents.
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u pb zircon constraints on the age and provenance of the rocas verdes Basin Fill tierra del fuego argentina
Geochemistry Geophysics Geosystems, 2009Co-Authors: David L. Barbeau, David J. Gombosi, Khandaker M. Zahid, Michael Bizimis, Victor A. Valencia, Nicholas L Swansonhysell, George E. GehrelsAbstract:The Late Jurassic to Early Cretaceous Rocas Verdes Basin constitutes one of the most poorly understood components of the southernmost Andes. As a result, accurate reconstructions and interpretations of deformation associated with the Andean orogeny and the kinematics of Scotia arc development also remain poorly constrained. In this data brief, we report U-Pb zircon ages from sandstones of the Rocas Verdes Basin Fill and from a crosscutting pluton in the southernmost Andes of Argentine Tierra del Fuego. Detrital samples contain predominant Early to early Middle Cretaceous (circa 130–105 Ma) U-Pb zircon age populations, with very small or single-grain middle Mesozoic and Proterozoic subpopulations. A very small subpopulation of Late Cretaceous ages in one sample raises the unlikely possibility that parts of the Rocas Verdes Basin are younger than perceived. A sample from a crosscutting syenitic pegmatite yields a crystallization age of 74.7 +2.2/−2.0 Ma. The data presented herein encourage further geochronologic evaluation of the Rocas Verdes Basin in order to better constrain the depositional ages and provenance of its contents.
Victor A. Valencia - One of the best experts on this subject based on the ideXlab platform.
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U‐Pb zircon constraints on the age and provenance of the Rocas Verdes Basin Fill, Tierra del Fuego, Argentina
Geochemistry Geophysics Geosystems, 2009Co-Authors: David L. Barbeau, David J. Gombosi, Khandaker M. Zahid, Michael Bizimis, Nicholas L. Swanson-hysell, Victor A. Valencia, George E. GehrelsAbstract:The Late Jurassic to Early Cretaceous Rocas Verdes Basin constitutes one of the most poorly understood components of the southernmost Andes. As a result, accurate reconstructions and interpretations of deformation associated with the Andean orogeny and the kinematics of Scotia arc development also remain poorly constrained. In this data brief, we report U-Pb zircon ages from sandstones of the Rocas Verdes Basin Fill and from a crosscutting pluton in the southernmost Andes of Argentine Tierra del Fuego. Detrital samples contain predominant Early to early Middle Cretaceous (circa 130–105 Ma) U-Pb zircon age populations, with very small or single-grain middle Mesozoic and Proterozoic subpopulations. A very small subpopulation of Late Cretaceous ages in one sample raises the unlikely possibility that parts of the Rocas Verdes Basin are younger than perceived. A sample from a crosscutting syenitic pegmatite yields a crystallization age of 74.7 +2.2/−2.0 Ma. The data presented herein encourage further geochronologic evaluation of the Rocas Verdes Basin in order to better constrain the depositional ages and provenance of its contents.
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u pb zircon constraints on the age and provenance of the rocas verdes Basin Fill tierra del fuego argentina
Geochemistry Geophysics Geosystems, 2009Co-Authors: David L. Barbeau, David J. Gombosi, Khandaker M. Zahid, Michael Bizimis, Victor A. Valencia, Nicholas L Swansonhysell, George E. GehrelsAbstract:The Late Jurassic to Early Cretaceous Rocas Verdes Basin constitutes one of the most poorly understood components of the southernmost Andes. As a result, accurate reconstructions and interpretations of deformation associated with the Andean orogeny and the kinematics of Scotia arc development also remain poorly constrained. In this data brief, we report U-Pb zircon ages from sandstones of the Rocas Verdes Basin Fill and from a crosscutting pluton in the southernmost Andes of Argentine Tierra del Fuego. Detrital samples contain predominant Early to early Middle Cretaceous (circa 130–105 Ma) U-Pb zircon age populations, with very small or single-grain middle Mesozoic and Proterozoic subpopulations. A very small subpopulation of Late Cretaceous ages in one sample raises the unlikely possibility that parts of the Rocas Verdes Basin are younger than perceived. A sample from a crosscutting syenitic pegmatite yields a crystallization age of 74.7 +2.2/−2.0 Ma. The data presented herein encourage further geochronologic evaluation of the Rocas Verdes Basin in order to better constrain the depositional ages and provenance of its contents.