Map** solar system chaos with the Geological Orrery
The Geological Orrery is a network of geological records of orbitally paced climate designed
to address the inherent limitations of solutions for planetary orbits beyond 60 million years …
to address the inherent limitations of solutions for planetary orbits beyond 60 million years …
Empirical evidence for stability of the 405-kiloyear Jupiter–Venus eccentricity cycle over hundreds of millions of years
The Newark–Hartford astrochronostratigraphic polarity timescale (APTS) was developed
using a theoretically constant 405-kiloyear eccentricity cycle linked to gravitational …
using a theoretically constant 405-kiloyear eccentricity cycle linked to gravitational …
Hematite reconstruction of Late Triassic hydroclimate over the Colorado Plateau
Hematite is the most abundant surficial iron oxide on Earth resulting from near-surface
processes that make it important for addressing numerous geologic problems. While red …
processes that make it important for addressing numerous geologic problems. While red …
[HTML][HTML] LA-ICPMS U–Pb geochronology of detrital zircon grains from the Coconino, Moenkopi, and Chinle formations in the Petrified Forest National Park (Arizona)
Abstract Uranium–lead (U–Pb) geochronology was conducted by laser ablation–inductively
coupled plasma mass spectrometry (LA-ICPMS) on 7175 detrital zircon grains from 29 …
coupled plasma mass spectrometry (LA-ICPMS) on 7175 detrital zircon grains from 29 …
Northward dispersal of dinosaurs from Gondwana to Greenland at the mid-Norian (215–212 Ma, Late Triassic) dip in atmospheric pCO2
The earliest dinosaurs (theropods and sauropodomorphs) are found in fossiliferous early
Late Triassic strata dated to about 230 million years ago (Ma), mainly in northwestern …
Late Triassic strata dated to about 230 million years ago (Ma), mainly in northwestern …
" Short" or" long" Rhaetian? Astronomical calibration of Austrian key sections
The establishment of the Late Triassic time scale has given rise to considerable controversy,
particularly regarding the Rhaetian duration and the inferred absolute age models. In this …
particularly regarding the Rhaetian duration and the inferred absolute age models. In this …
[HTML][HTML] Visible-Light Spectroscopy and Rock Magnetic Analyses of Iron Oxides in Mixed-Mineral Assemblages
CJ Lepre, OM Yazzie, BR Klaus - Crystals, 2024 - mdpi.com
Iron oxide assemblages are central to many pursuits, ranging from Mars exploration to
environmental remediation. Oxides and oxyhydroxides of iron both carry the special …
environmental remediation. Oxides and oxyhydroxides of iron both carry the special …
Magnetochronology of the entire Chinle Formation (Norian age) in a scientific drill core from Petrified Forest National Park (Arizona, USA) and implications for regional …
Building on an earlier study that confirmed the stability of the 405‐kyr eccentricity climate
cycle and the timing of the Newark‐Hartford astrochronostratigraphic polarity time scale …
cycle and the timing of the Newark‐Hartford astrochronostratigraphic polarity time scale …
Earliest Jurassic U-Pb ages from carbonate deposits in the Navajo Sandstone, southeastern Utah, USA
New uranium-lead (U-Pb) analyses of carbonate deposits in the Navajo Sandstone in
southeastern Utah (USA) yielded dates of 200.5±1.5 Ma (earliest Jurassic, Hettangian Age) …
southeastern Utah (USA) yielded dates of 200.5±1.5 Ma (earliest Jurassic, Hettangian Age) …
Magnetostratigraphy of the Triassic Moenkopi Formation from the continuous cores recovered in Colorado Plateau Coring Project Phase 1 (CPCP‐1), Petrified Forest …
Abstract The Colorado Plateau Coring Project Phase 1 (CPCP‐1) acquired three continuous
drill cores from Petrified Forest National Park (PFNP), Arizona, USA, two of which (CPCP …
drill cores from Petrified Forest National Park (PFNP), Arizona, USA, two of which (CPCP …