K. M. Stack
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View article: Abrasion Patch Dehydration Experiment at Bright Angel, Jezero Crater, Using SuperCam Onboard the Mars 2020 Perseverance Rover
Abrasion Patch Dehydration Experiment at Bright Angel, Jezero Crater, Using SuperCam Onboard the Mars 2020 Perseverance Rover Open
Investigating the stability of hydrated minerals is integral for examining the preservation of rocks for potential Mars Sample Return and has major implications for models that use rover‐based observations to quantify Mars' global water bu…
View article: Sedimentology and stratigraphy of the fluvial–deltaic Skrinkle Haven member, Tenby formation, Jezero Crater, Mars
Sedimentology and stratigraphy of the fluvial–deltaic Skrinkle Haven member, Tenby formation, Jezero Crater, Mars Open
In 2023, the Mars 2020 Perseverance rover investigated the Skrinkle Haven member of the Tenby formation in the > 3.5-billion-year Jezero Crater western fan. This unit was interpreted from orbiter data as bank attached, lateral-accretion…
View article: Redox-driven mineral and organic associations in Jezero Crater, Mars
Redox-driven mineral and organic associations in Jezero Crater, Mars Open
The Perseverance rover has explored and sampled igneous and sedimentary rocks within Jezero Crater to characterize early Martian geological processes and habitability and search for potential biosignatures1-7. Upon entering Neretva Vallis,…
View article: A fluvio-lacustrine environment preserved in the Jezero crater inlet channel, Neretva Vallis (Mars)
A fluvio-lacustrine environment preserved in the Jezero crater inlet channel, Neretva Vallis (Mars) Open
Introduction: Fluvial valley networks on Mars provide key sites for investigating the role of surface liquid water in Mars’ ancient past. Between June and August 2024, the Perseverance rover spent 85 sols exploring a series of outcrops in …
View article: Pre-impact stratigraphy exposed in the western Jezero crater rim
Pre-impact stratigraphy exposed in the western Jezero crater rim Open
The NASA rover Perseverance traversed down the western slopes of the Jezero crater rim, informally named Witch Hazel Hill, between sols 1358 to 1500+, providing an opportunity to observe and analyse a relatively pristine, though ancient, 4…
View article: Simulating Science Operations for a Joint Rover-helicopter Mission Architecture in a Mars Analog Setting
Simulating Science Operations for a Joint Rover-helicopter Mission Architecture in a Mars Analog Setting Open
Aerial platforms can explore planetary surfaces without the mobility limitations of rovers and landers. Inspired by the recent successes and challenges of NASA’s IngenuAity Mars Helicopter, the Rover-Aerial Vehicle Exploration Network proj…
View article: Multispectral Observations of Float Rocks Used to Investigate the Origin of Boulders on the Western Jezero Fan Front, Mars
Multispectral Observations of Float Rocks Used to Investigate the Origin of Boulders on the Western Jezero Fan Front, Mars Open
In Jezero crater, Mars, the Perseverance rover has explored the western fan and encountered loose pieces of rock separated from outcrops or “float” rocks. Comparing float rocks to in‐place outcrops can provide key insights into the crater'…
View article: Characterizing the Facies and Stratigraphy of the Enchanted Lake Area in Jezero Crater, Mars
Characterizing the Facies and Stratigraphy of the Enchanted Lake Area in Jezero Crater, Mars Open
Jezero crater contains a sedimentary fan deposit previously interpreted as a delta, which can be studied to better understand the aqueous history of Mars. After a year of traversing and sampling the crater floor, the Mars 2020 Perseverance…
View article: The 2014–2015 Holuhraun Lava Flow-field in Iceland as a Planetary Analog for Young Volcanic Terrains in Elysium Planitia, Mars
The 2014–2015 Holuhraun Lava Flow-field in Iceland as a Planetary Analog for Young Volcanic Terrains in Elysium Planitia, Mars Open
Elysium Planitia is the youngest volcanic terrain on Mars, and the only region that exhibits evidence of ongoing magmatic activity today. This makes Elysium Planitia crucial for understanding the tectonic, magmatic, volcanic, and thermal s…
View article: First Science Results from the Mars 2020 Perseverance Rover Crater Rim Campaign
First Science Results from the Mars 2020 Perseverance Rover Crater Rim Campaign Open
Since February 2021, the Mars 2020 rover ‘Perseverance’ has been exploring Jezero crater on Mars to characterize the geology, assess the potential for rocks to represent ancient habitable environments and/or preserve biosignatu…
View article: THE DETECTION OF A POTENTIAL BIOSIGNATURE BY THE PERSEVERANCE ROVER ON MARS
THE DETECTION OF A POTENTIAL BIOSIGNATURE BY THE PERSEVERANCE ROVER ON MARS Open
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View article: Origin of big garnet amphibolites at Gore Mountain and other localities, Adirondack Mountains, New York State, USA: Whole-rock geochemical constraints
Origin of big garnet amphibolites at Gore Mountain and other localities, Adirondack Mountains, New York State, USA: Whole-rock geochemical constraints Open
The Barton Mine garnet amphibolite orebody on Gore Mountain hosts garnet porphyroblasts routinely 15–30 cm across. The orebody was developed in the southern margin of a metamorphosed olivine gabbro pluton. Cumulate layering within the gabb…
View article: Global Distribution of Serpentine on Mars
Global Distribution of Serpentine on Mars Open
The distribution and origin of serpentine on Mars can provide insights into the planet's aqueous history, habitability, and past climate. In this study, we used dynamic aperture factor analysis/target transformation applied to 15,760 image…
View article: Global Distribution of Serpentine on Mars
Global Distribution of Serpentine on Mars Open
The distribution and origin of serpentine on Mars can provide insights into the planet's aqueous history, habitability, and past climate. In this study, we used dynamic aperture factor analysis/target transformation applied to 15,760 image…
View article: Sampling Mars: Geologic context and preliminary characterization of samples collected by the NASA Mars 2020 Perseverance Rover Mission
Sampling Mars: Geologic context and preliminary characterization of samples collected by the NASA Mars 2020 Perseverance Rover Mission Open
The NASA Mars 2020 Perseverance Rover Mission has collected samples of rock, regolith, and atmosphere within the Noachian-aged Jezero Crater, once the site of a delta-lake system with a high potential for habitability and biosignature pres…
View article: Diagenetic History and Biosignature Preservation Potential of Fine‐Grained Rocks at Hogwallow Flats, Jezero Crater, Mars
Diagenetic History and Biosignature Preservation Potential of Fine‐Grained Rocks at Hogwallow Flats, Jezero Crater, Mars Open
The Mars 2020 Perseverance rover discovered fine‐grained clastic sedimentary rocks in the “Hogwallow Flats” member of the “Shenandoah” formation at Jezero crater, Mars. The Hogwallow Flats member shows evidence of multiple phases of diagen…
View article: Evaluating the Use of Unoccupied Aircraft Systems (UASs) for Planetary Exploration in Mars Analog Terrain
Evaluating the Use of Unoccupied Aircraft Systems (UASs) for Planetary Exploration in Mars Analog Terrain Open
Planetary analog mission simulations are essential for testing science operations strategies and technologies. They also teach us how to use terrestrial analogs to inform studies of extraterrestrial environments. Unoccupied aircraft system…
View article: Investigating Hydrated Silica in Syrtis Major, Mars: Implications for the Longevity of Water–Rock Interaction
Investigating Hydrated Silica in Syrtis Major, Mars: Implications for the Longevity of Water–Rock Interaction Open
We use the crystallinity of hydrated silica, represented by the 1.4 μm absorption position in orbiter spectroscopic data, as a proxy for the longevity of water–rock interaction in the Syrtis Major region. Geological maps and crater size–fr…
View article: Comparing Rover and Helicopter Planetary Mission Architectures in a Mars Analog Setting in Iceland
Comparing Rover and Helicopter Planetary Mission Architectures in a Mars Analog Setting in Iceland Open
The Rover–Aerial Vehicle Exploration Network project field-tested planetary mission operations within a Mars analog environment in Iceland using stand-alone rover and helicopter architectures. Mission planning, implementation, and results …
View article: Astrobiological Potential of Rocks Acquired by the Perseverance Rover at a Sedimentary Fan Front in Jezero Crater, Mars
Astrobiological Potential of Rocks Acquired by the Perseverance Rover at a Sedimentary Fan Front in Jezero Crater, Mars Open
The Perseverance rover has collected seven oriented samples of sedimentary rocks, all likely older than the oldest signs of widespread life on Earth, at the exposed base of the western fan in Jezero crater, Mars. The samples include a sulf…
View article: SEDIMENTARY EVOLUTION OF THE JEZERO WESTERN FAN, MARS
SEDIMENTARY EVOLUTION OF THE JEZERO WESTERN FAN, MARS Open
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View article: GNARALOO BAY: STRATIGRAPHIC RELATIONSHIPS AT THE APEX OF A MARTIAN FLUVIO-DELTAIC SYSTEM AT JEZERO CRATER, MARS
GNARALOO BAY: STRATIGRAPHIC RELATIONSHIPS AT THE APEX OF A MARTIAN FLUVIO-DELTAIC SYSTEM AT JEZERO CRATER, MARS Open
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View article: THE MARTIAN SEDIMENTARY ROCK RECORD: RECENT ADVANCES IN OUR UNDERSTANDING OF DEPOSITIONAL PROCESSES AND ENVIRONMENTS
THE MARTIAN SEDIMENTARY ROCK RECORD: RECENT ADVANCES IN OUR UNDERSTANDING OF DEPOSITIONAL PROCESSES AND ENVIRONMENTS Open
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View article: STRATIGRAPHY AND STRUCTURE OF THE MARGIN UNIT, JEZERO CRATER: IMPLICATIONS FOR FORMATION SETTING
STRATIGRAPHY AND STRUCTURE OF THE MARGIN UNIT, JEZERO CRATER: IMPLICATIONS FOR FORMATION SETTING Open
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View article: Constraints on Jezero paleolake history from its fluvial input
Constraints on Jezero paleolake history from its fluvial input Open
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View article: UP AND DOWN WENT JEZERO LAKE: SIGNIFICANT RESULTS FROM THE FIRST EVER SEQUENCE STRATIGRAPHIC ANALYSIS ON MARS
UP AND DOWN WENT JEZERO LAKE: SIGNIFICANT RESULTS FROM THE FIRST EVER SEQUENCE STRATIGRAPHIC ANALYSIS ON MARS Open
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