Tag Archive for 'Paleolake'

The ancient human footprints found at White Sands National Park in New Mexico, the United States. Image credit: Bennett et al., doi: 10.1126/science.abg7586.

Human Footprints at White Sands Are Up To 22,400 Years Old: Study

Jun 23, 2025 by News Staff

Discovery of human footprints at White Sands, New Mexico, dated to between 21,000 and 23,000 years ago, was a notable step in understanding the initial...

An artist’s reconstruction of the Blinkerwall in the Bay of Mecklenburg, Germany. Image credit: Michał Grabowski.

Stone Age Hunting Megastructure Discovered in Baltic Sea

Feb 14, 2024 by Sergio Prostak

A team of archaeologists from Germany has discovered a submerged Stone Age megastructure in the Western Baltic Sea at a water depth of about 21 m. The...

Perseverance Finds Ancient Delta-Lake System, Flood Deposits in Martian Jezero Crater

Oct 8, 2021 by News Staff

Planetary scientists have analyzed images taken by the Mastcam-Z camera and the Remote Micro-Imager of the SuperCam instrument on NASA’s Perseverance...

Valley networks and paleolake outlet canyons on Mars: (a) distribution of analyzed valley networks (black) and paleolake outlet canyons (white); gray shading indicates the combined latitude (poleward of ±30°) and age (younger than Early Hesperian) mask used for volume calculations; (b and c) examples of the early Martian landscape dissected by both valley networks (black) and paleolake outlet canyons (white); paleolake basin extents shown by semi-transparent white polygons. Image credit: Goudge et al., doi: 10.1038/s41586-021-03860-1.

Lake Breach Floods Eroded Surface of Early Mars, Study Says

Sep 30, 2021 by News Staff

Massive floods from overflowing crater lakes were responsible for eroding at least 24% of the volume of incised valleys on early Mars, according to new...

Perseverance used its dual-camera Mastcam-Z imager to capture this (enhanced) image of Santa Cruz, a hill within Jezero Crater, on April 29, 2021, the 68th Martian day of the mission. Image credit: NASA / JPL-Caltech / ASU / MSSS.

Perseverance Begins to Study Floor of Jezero Crater

May 13, 2021 by News Staff

NASA’s Perseverance rover is focusing its science instruments on rocks that lay on the floor of Jezero Crater, which is located on the western edge of...

Visible images with sketch maps showing major geologic features within as-yet unnamed crater mapped by Boatwright & Head: (a) the 54-km-diameter crater in the southern highlands of Mars (20.3°S, 42.6°E); no inlet or outlet breaches are observed; ridge networks (blue) begin near the crater wall base, where they are coincident with upslope-facing scarps (dashed lines) and crater wall alcoves; ridges terminate in two paleolake basins (cyan and green); (b) morphology of the eastern ridge network transitions downslope from dense proximal ridges to more widely spaced medial ridges; several medial ridges then converge into a single trunk ridge; (c) the southern ridge network terminates at three separate points along the margin of basin II. One of the ridges also displays an anabranching morphology. Image credit: Boatwright & Head, doi: 10.3847/PSJ/abe773.

New Type of Paleolake Spotted on Mars

Mar 31, 2021 by News Staff

A 54-km- (33.5-mile) diameter Noachian-aged crater with neither inlet nor outlet channels is distinct from previously documented crater basin lakes on...