Search Results - "Osinski, Gordon R."
-
1
Valley formation on early Mars by subglacial and fluvial erosion
Published in Nature geoscience (01-10-2020)“…The southern highlands of Mars are dissected by hundreds of valley networks, which are evidence that water once sculpted the surface. Characterizing the…”
Get full text
Journal Article -
2
The origin of carbonates in impact melt‐bearing breccias from Site M0077 at the Chicxulub impact structure, Mexico
Published in Meteoritics & planetary science (01-06-2023)“…Carbonates from the impact melt‐bearing breccia in the 2016 IODP/ICDP Expedition 364 drill core at Site M0077 were systematically documented and characterized…”
Get full text
Journal Article -
3
The formation of peak rings in large impact craters
Published in Science (American Association for the Advancement of Science) (18-11-2016)“…Large impacts provide a mechanism for resurfacing planets through mixing near-surface rocks with deeper material. Central peaks are formed from the dynamic…”
Get full text
Journal Article -
4
Learning Spatial-Spectral Features for Hyperspectral Image Classification
Published in IEEE transactions on geoscience and remote sensing (01-09-2018)“…Combining spatial information with spectral information for classifying hyperspectral images can dramatically improve the performance. This paper proposes a…”
Get full text
Journal Article -
5
High Arctic channel incision modulated by climate change and the emergence of polygonal ground
Published in Nature communications (12-09-2023)“…Stream networks in Arctic and high-elevation regions underlain by frozen ground (i.e., permafrost) are expanding and developing in response to accelerating…”
Get full text
Journal Article -
6
Preferred orientation distribution of shock‐induced planar microstructures in quartz and feldspar
Published in Meteoritics & planetary science (01-05-2020)“…Shocked quartz and feldspar grains commonly exhibit planar microstructures, such as planar fractures, planar deformation features, and possibly microtwins,…”
Get full text
Journal Article -
7
An impact origin for hydrated silicates on Mars: A synthesis
Published in Journal of geophysical research. Planets (01-05-2013)“…Recent Mars‐orbiting spectrometers continue to detect surface materials containing hydrated silicates, particularly clays and amorphous phases (e.g., silica…”
Get full text
Journal Article -
8
Toward quantification of strain-related mosaicity in shocked lunar and terrestrial plagioclase by in situ micro-X-ray diffraction
Published in Meteoritics & planetary science (01-11-2015)“…Studies of shock metamorphism of feldspar typically rely on qualitative petrographic observations, which, while providing invaluable information, can be…”
Get full text
Journal Article -
9
Widespread crater-related pitted materials on Mars: Further evidence for the role of target volatiles during the impact process
Published in Icarus (New York, N.Y. 1962) (01-08-2012)“…► Identification of a globally widespread crater-related pitted material. ► Pits are shown to scale proportionately with the host crater’s diameter. ► Presents…”
Get full text
Journal Article -
10
Origin of the central magnetic anomaly at the Haughton impact structure, Canada
Published in Earth and planetary science letters (01-04-2013)“…The 23km-diameter well-preserved Haughton impact structure shows a rather unique combination of a positive magnetic anomaly with a negative gravity anomaly…”
Get full text
Journal Article -
11
Shaping of the Present-Day Deep Biosphere at Chicxulub by the Impact Catastrophe That Ended the Cretaceous
Published in Frontiers in microbiology (24-06-2021)“…We report on the effect of the end-Cretaceous impact event on the present-day deep microbial biosphere at the impact site. IODP-ICDP Expedition 364 drilled…”
Get full text
Journal Article -
12
Biological Characterization of Microenvironments in a Hypersaline Cold Spring Mars Analog
Published in Frontiers in microbiology (22-12-2017)“…While many habitable niches on Earth are characterized by permanently cold conditions, little is known about the spatial structure of seasonal communities and…”
Get full text
Journal Article -
13
Impact‐Induced Porosity and Microfracturing at the Chicxulub Impact Structure
Published in Journal of geophysical research. Planets (01-07-2019)“…Porosity and its distribution in impact craters has an important effect on the petrophysical properties of impactites: seismic wave speeds and reflectivity,…”
Get full text
Journal Article -
14
Hyperspectral Image Classification With Stacking Spectral Patches and Convolutional Neural Networks
Published in IEEE transactions on geoscience and remote sensing (01-10-2018)“…Jointly combining the spatial and spectral features has proved to dramatically improve the performance of classifying hyperspectral image. Recently, utilizing…”
Get full text
Journal Article -
15
Impact-generated carbonate melts: evidence from the Haughton structure, Canada
Published in Earth and planetary science letters (30-12-2001)“…Evidence is presented for the melting of dolomite-rich target rocks during formation of the 24 km diameter, 23 Ma Haughton impact structure on Devon Island in…”
Get full text
Journal Article -
16
Stress‐Strain Evolution During Peak‐Ring Formation: A Case Study of the Chicxulub Impact Structure
Published in Journal of geophysical research. Planets (01-02-2019)“…Deformation is a ubiquitous process that occurs to rocks during impact cratering; thus, quantifying the deformation of those rocks can provide first‐order…”
Get full text
Journal Article -
17
Carbonate precipitation under bulk acidic conditions as a potential biosignature for searching life on Mars
Published in Earth and planetary science letters (15-10-2012)“…Recent observations of carbonate minerals in ancient Martian rocks have been interpreted as evidence for the former presence of circumneutral solutions optimal…”
Get full text
Journal Article -
18
Intra-crater glacial processes in central Utopia Planitia, Mars
Published in Icarus (New York, N.Y. 1962) (01-03-2011)“…We describe and interpret a series of previously unidentified glacial-like lobes (34–43°N; 107–125°E) that were discovered as part of a survey of large (D>5km)…”
Get full text
Journal Article -
19
Tectonics of complex crater formation as revealed by the Haughton impact structure, Devon Island, Canadian High Arctic
Published in Meteoritics & planetary science (01-12-2005)“…— The results of a systematic field mapping campaign at the Haughton impact structure have revealed new information about the tectonic evolution of mid‐size…”
Get full text
Journal Article -
20
The “suevite” conundrum, Part 2: Re‐examining the type locality at the Ries impact structure, Germany
Published in Meteoritics & planetary science (01-10-2024)“…One of the most common types of allochthonous impactite produced in hypervelocity impact events is impact breccia that contains melt particles. In numerous…”
Get full text
Journal Article