Lauren Edgar, Ph.D. (Former Employee)
Science and Products
Filter Total Items: 41
Extraformational sediment recycling on Mars Extraformational sediment recycling on Mars
Extraformational sediment recycling (old sedimentary rock to new sedimentary rock) is a fundamental aspect of Earth’s geological record; tectonism exposes sedimentary rock, whereupon it is weathered and eroded to form new sediment that later becomes lithified. On Mars, tectonism has been minor, but two decades of orbiter instrument–based studies show that some sedimentary rocks...
Authors
Kenneth S. Edgett, Steven Banham, Kristen A. Bennett, Lauren A. Edgar, Christopher S. Edwards, Alberto Fairen, Christopher M. Fedo, Deirdra M. Fey, James B. Garvin, John P. Grotzinger, Sanjeev Gupta, Marie Henderson, Christopher H House, Nicolas Mangold, Scott McLennan, Horton E. Newsom, Scott Rowland, Kirsten L. Siebach, Lucy Thompson, Scott VanBommel, Roger C. Wiens, Rebecca Williams, Aileen Yingst
Ancient Martian aeolian sand dune deposits recorded in the stratigraphy of Valles Marineris and implications for past climates Ancient Martian aeolian sand dune deposits recorded in the stratigraphy of Valles Marineris and implications for past climates
Aeolian sediment transport, deposition, and erosion have been ongoing throughout Mars's history. This record of widespread aeolian processes is preserved in landforms and geologic units that retain important clues about past environmental conditions including wind patterns. In this study we describe landforms within Melas Chasma, Valles Marineris, that occur in distinct groups with...
Authors
Matthew Chojnacki, Lori K. Fenton, Aaron R Weintraub, Lauren A. Edgar, Mohini Jeetendra Jodhpurkar, Christopher S. Edwards
Evidence for a diagenetic origin of Vera Rubin Ridge, Gale Crater, Mars: Summary and synthesis of Curiosity's exploration campaign Evidence for a diagenetic origin of Vera Rubin Ridge, Gale Crater, Mars: Summary and synthesis of Curiosity's exploration campaign
This paper provides an overview of the Curiosity rover's exploration at Vera Rubin ridge (VRR) and summarizes the science results. VRR is a distinct geomorphic feature on lower Aeolis Mons (informally known as Mount Sharp) that was identified in orbital data based on its distinct texture, topographic expression, and association with a hematite spectral signature. Curiosity conducted...
Authors
Abigail A. Fraeman, Lauren A. Edgar, Elizabeth B. Rampe, Lucy M. Thompson, Jens Frydenvang, Christopher M. Fedo, Jeff G. Catalano, William E. Dietrich, Travis S. J. Gabriel, John P. Grotzinger, Jonas L’Haridon, Nicholas Mangold, Vivian Z. Sun, Christopher H House, Alexander Bryk, Craig Hardgrove, Sean Czarnecki, Kathryn M. Stack, Richard V. Morris, Ray E. Arvidson, Steve G. Banham, Kristen A. Bennett, Jon C. Bridges, Christopher S. Edwards, Woodward W. Fischer, Valerie K. Fox, Sanjeev Gupta, Briony H. N. Horgan, Sammantha R. Jacob, Jeffrey R. Johnson, Sarah S. Johnson, David R. Rubin, Mark R Salvatore, Susanne P. Schwenzer, Kirsten L. Siebach, Nathan T. Stein, Stuart Turner, Danika F. Wellington, Roger C. Wiens, Amy J. Williams, G.A. Davidson, Gregory M. Wong
The chemostratigraphy of the Murray formation and role of diagenesis at Vera Rubin ridge in Gale crater, Mars, as observed by the ChemCam instrument The chemostratigraphy of the Murray formation and role of diagenesis at Vera Rubin ridge in Gale crater, Mars, as observed by the ChemCam instrument
Geochemical results are presented from Curiosity’s exploration of the Vera Rubin ridge (VRR), in addition to the full chemostratigraphy of the predominantly lacustrine mudstone Murray formation up to and including VRR. VRR is a prominent ridge flanking Aeolis Mons (informally Mt. Sharp), the central mound in Gale crater, Mars, and was a key area of interest for the Mars Science...
Authors
Jens Frydenvang, Nicholas Mangold, Roger C. Wiens, Abigail A. Fraeman, Lauren A. Edgar, Christopher M. Fedo, Jonas L’Haridon, Candice C. Bedford, Sanjeev Gupta, John P. Grotzinger, Jon C. Bridges, Ben C. Clark, Elizabeth B. Rampe, Olivier Gasnaut, Sylvestre Maurice, Patrick J. Gasda, Nina L. Lanza, Ann M. Olilla, Pierre-Yves Meslin, Valerie Payre, Fred J. Calef, Mark R Salvatore, Christopher H House
A lacustrine paleoenvironment recorded at Vera Rubin ridge, Gale crater: Overview of the sedimentology and stratigraphy observed by the Mars Science Laboratory Curiosity rover A lacustrine paleoenvironment recorded at Vera Rubin ridge, Gale crater: Overview of the sedimentology and stratigraphy observed by the Mars Science Laboratory Curiosity rover
For ~500 Martian solar days (sols), the Mars Science Laboratory team explored Vera Rubin ridge (VRR), a topographic feature on the northwest slope of Aeolis Mons. Here we review the sedimentary facies and stratigraphy observed during sols 1,800–2,300, covering more than 100 m of stratigraphic thickness. Curiosity's traverse includes two transects across the ridge, which enables...
Authors
Lauren A. Edgar, Christopher M. Fedo, Sanjeev Gupta, Steve G. Banham, Abigail A. Fraeman, John P. Grotzinger, Kathryn M. Stack, Nathan T. Stein, Kristen A. Bennett, Frances Rivera-Hernandez, Vivian Z. Sun, Kenneth S. Edgett, David M. Rubin, Christopher H House, Jason K. Van Beek
Applied lunar science on Artemis III in support of in situ resource utilization Applied lunar science on Artemis III in support of in situ resource utilization
The Artemis Science Goals and Strategy are focused on basic or fundamental science, neglecting the vital field of “applied” geoscience that fits between “pure” science and engineering to provide near-term practical benefits for human activities.
Authors
Laszlo P. Keszthelyi, Kristen A. Bennett, Lisa R. Gaddis, Lillian R. Ostrach, Lauren A. Edgar
Science and Products
Filter Total Items: 41
Extraformational sediment recycling on Mars Extraformational sediment recycling on Mars
Extraformational sediment recycling (old sedimentary rock to new sedimentary rock) is a fundamental aspect of Earth’s geological record; tectonism exposes sedimentary rock, whereupon it is weathered and eroded to form new sediment that later becomes lithified. On Mars, tectonism has been minor, but two decades of orbiter instrument–based studies show that some sedimentary rocks...
Authors
Kenneth S. Edgett, Steven Banham, Kristen A. Bennett, Lauren A. Edgar, Christopher S. Edwards, Alberto Fairen, Christopher M. Fedo, Deirdra M. Fey, James B. Garvin, John P. Grotzinger, Sanjeev Gupta, Marie Henderson, Christopher H House, Nicolas Mangold, Scott McLennan, Horton E. Newsom, Scott Rowland, Kirsten L. Siebach, Lucy Thompson, Scott VanBommel, Roger C. Wiens, Rebecca Williams, Aileen Yingst
Ancient Martian aeolian sand dune deposits recorded in the stratigraphy of Valles Marineris and implications for past climates Ancient Martian aeolian sand dune deposits recorded in the stratigraphy of Valles Marineris and implications for past climates
Aeolian sediment transport, deposition, and erosion have been ongoing throughout Mars's history. This record of widespread aeolian processes is preserved in landforms and geologic units that retain important clues about past environmental conditions including wind patterns. In this study we describe landforms within Melas Chasma, Valles Marineris, that occur in distinct groups with...
Authors
Matthew Chojnacki, Lori K. Fenton, Aaron R Weintraub, Lauren A. Edgar, Mohini Jeetendra Jodhpurkar, Christopher S. Edwards
Evidence for a diagenetic origin of Vera Rubin Ridge, Gale Crater, Mars: Summary and synthesis of Curiosity's exploration campaign Evidence for a diagenetic origin of Vera Rubin Ridge, Gale Crater, Mars: Summary and synthesis of Curiosity's exploration campaign
This paper provides an overview of the Curiosity rover's exploration at Vera Rubin ridge (VRR) and summarizes the science results. VRR is a distinct geomorphic feature on lower Aeolis Mons (informally known as Mount Sharp) that was identified in orbital data based on its distinct texture, topographic expression, and association with a hematite spectral signature. Curiosity conducted...
Authors
Abigail A. Fraeman, Lauren A. Edgar, Elizabeth B. Rampe, Lucy M. Thompson, Jens Frydenvang, Christopher M. Fedo, Jeff G. Catalano, William E. Dietrich, Travis S. J. Gabriel, John P. Grotzinger, Jonas L’Haridon, Nicholas Mangold, Vivian Z. Sun, Christopher H House, Alexander Bryk, Craig Hardgrove, Sean Czarnecki, Kathryn M. Stack, Richard V. Morris, Ray E. Arvidson, Steve G. Banham, Kristen A. Bennett, Jon C. Bridges, Christopher S. Edwards, Woodward W. Fischer, Valerie K. Fox, Sanjeev Gupta, Briony H. N. Horgan, Sammantha R. Jacob, Jeffrey R. Johnson, Sarah S. Johnson, David R. Rubin, Mark R Salvatore, Susanne P. Schwenzer, Kirsten L. Siebach, Nathan T. Stein, Stuart Turner, Danika F. Wellington, Roger C. Wiens, Amy J. Williams, G.A. Davidson, Gregory M. Wong
The chemostratigraphy of the Murray formation and role of diagenesis at Vera Rubin ridge in Gale crater, Mars, as observed by the ChemCam instrument The chemostratigraphy of the Murray formation and role of diagenesis at Vera Rubin ridge in Gale crater, Mars, as observed by the ChemCam instrument
Geochemical results are presented from Curiosity’s exploration of the Vera Rubin ridge (VRR), in addition to the full chemostratigraphy of the predominantly lacustrine mudstone Murray formation up to and including VRR. VRR is a prominent ridge flanking Aeolis Mons (informally Mt. Sharp), the central mound in Gale crater, Mars, and was a key area of interest for the Mars Science...
Authors
Jens Frydenvang, Nicholas Mangold, Roger C. Wiens, Abigail A. Fraeman, Lauren A. Edgar, Christopher M. Fedo, Jonas L’Haridon, Candice C. Bedford, Sanjeev Gupta, John P. Grotzinger, Jon C. Bridges, Ben C. Clark, Elizabeth B. Rampe, Olivier Gasnaut, Sylvestre Maurice, Patrick J. Gasda, Nina L. Lanza, Ann M. Olilla, Pierre-Yves Meslin, Valerie Payre, Fred J. Calef, Mark R Salvatore, Christopher H House
A lacustrine paleoenvironment recorded at Vera Rubin ridge, Gale crater: Overview of the sedimentology and stratigraphy observed by the Mars Science Laboratory Curiosity rover A lacustrine paleoenvironment recorded at Vera Rubin ridge, Gale crater: Overview of the sedimentology and stratigraphy observed by the Mars Science Laboratory Curiosity rover
For ~500 Martian solar days (sols), the Mars Science Laboratory team explored Vera Rubin ridge (VRR), a topographic feature on the northwest slope of Aeolis Mons. Here we review the sedimentary facies and stratigraphy observed during sols 1,800–2,300, covering more than 100 m of stratigraphic thickness. Curiosity's traverse includes two transects across the ridge, which enables...
Authors
Lauren A. Edgar, Christopher M. Fedo, Sanjeev Gupta, Steve G. Banham, Abigail A. Fraeman, John P. Grotzinger, Kathryn M. Stack, Nathan T. Stein, Kristen A. Bennett, Frances Rivera-Hernandez, Vivian Z. Sun, Kenneth S. Edgett, David M. Rubin, Christopher H House, Jason K. Van Beek
Applied lunar science on Artemis III in support of in situ resource utilization Applied lunar science on Artemis III in support of in situ resource utilization
The Artemis Science Goals and Strategy are focused on basic or fundamental science, neglecting the vital field of “applied” geoscience that fits between “pure” science and engineering to provide near-term practical benefits for human activities.
Authors
Laszlo P. Keszthelyi, Kristen A. Bennett, Lisa R. Gaddis, Lillian R. Ostrach, Lauren A. Edgar