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15 results for “Precambrian”
Tables of MTZ results and estimated lithospheric thickness beneath the Cenozoic Okavango rift zone and adjacent Precambrian provinces
<p>This file provides tables S1 and S2 on the MTZ observations and estimated lithospheric thickness of each circular bin, respectively, for the paper of "<strong>Topography of the 410 and 660 km discontinuities beneath the Cenozoic Okavango rift zone and adjacent Precambrian provinces" </strong>in JGR 2020.</p> <p>Table S1 is the resulting apparent depths of the d410 and d660 and MTZ thickness of each circular bin.</p> <p>Table S2 is estimated mean upper mantle P wave velocity anomaly and lithospheric thickness derived from the resulting apparent depth of the d410 for each bin. </p>
Supporting Documents for "The DESC Catchments: Long-term Monitoring of Inland Precambrian Shield Catchment Streamflow and Water Chemistry in Central Ontario, Canada"
<p>Supporting documents for "<strong>The DESC Catchments: Long-term Monitoring of Inland Precambrian Shield Catchment Streamflow and Water Chemistry in Central Ontario, Canada" </strong> that are otherwise not readily accessible. These include historical government reports and relevant laboratory method descriptions from the Ontario Ministry of Environment (Canada). Reports List includes a listing of the 14 documents.</p>
Large Influence of Dust on the Precambrian Climate
<p>CESM simulation results that support the findings of this study are archived here. </p>
Data from: Advancing Precambrian palaeomagnetism with the PALEOMAGIA and PINT(QPI) databases
State-of-the-art measurements of the direction and intensity of Earth's ancient magnetic field have made important contributions to our understanding of the geology and palaeogeography of Precambrian Earth. The PALEOMAGIA and PINT(QPI) databases provide thorough public collections of important palaeomagnetic data of this kind. They comprise more than 4,100 observations in total and have been essential in supporting our international collaborative efforts to understand Earth's magnetic history on a timescale far longer than that of the present Phanerozoic Eon. Here, we provide an overview of the technical structure and applications of both databases, paying particular attention to recent improvements and discoveries.
Data from: Global database of paleocurrent trends through the Phanerozoic and Precambrian
Paleocurrents are sedimentological features contained in all sedimentary deposits, enabling the direction of movement of the sediment and the containing fluid at the time of deposition to be determined. This database contains paleocurrent directions and other relevant associated data from published sources and theses and dissertations for the entire Phanerozoic and Precambrian for all continents. Such information may be of general interest to sedimentologists and will be of specific interest in sedimentary basin analysis, and to petroleum geologists and mineralogists seeking source areas. Paleocurrents may also be useful in plate reconstructions and in testing the timing of global tectonic events.
X-ray microtomography as a tool for investigating the petrological context of Precambrian cellular remains
<p>Supplementary information from the paper "X-ray microtomography as a tool for investigating the petrological context of Precambrian cellular remains", features in a Geological Society Publication in memory of Professor Martin Brasier, University of Oxford.</p> <p>Datasets comprise:<br> -- A zipped Drishti volumes for all CT scans reported in the paper, which can be used for both 3D visualisations and to inspect the underlying data.<br> -- A .7z split zip file of one Drishti volume above 2GB.<br> -- An HDMI movie showing digital visualisations for all of the scans reported in the paper. </p>
Data from: Advancing Precambrian palaeomagnetism with the PALEOMAGIA and PINT(QPI) databases
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Data from: Global database of paleocurrent trends through the Phanerozoic and Precambrian
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Data from: Phylogenetic hypotheses of the relationships of arthropods to Precambrian and Cambrian problematic fossil taxa
A number of Vendian (latest Precambrian) body fossils have traditionally been considered arthropods or arthropodlike organisms. Several Cambrian "weird wonders" have also been linked with the arthropods. However, these relationships are difficult to express in traditional Linnean systematics. I present a morphological cladistic analysis of seven Vendian "arthropodlike" taxa compared with 21 representative Cambrian arthropods, lobopods, and weird wonders. Four arthropods from the later Phanerozoic (a pycnogonid, a monuran, and the problematic Cheloniellon and Arthropleura), five extant tardigrades, two extant kinorhynchs, and an extant priapulid, myriapod, pycnogonid, and onychophoran are also included. Monophyly of the Arthropoda is supported, but the anomalocarids and their relatives (Anomalopoda) fall out very close to the base of the traditional Arthropoda and should be included within it. The relationships among arthropods with uniramous appendages are not well resolved, but the group does not appear to be monophyletic. The biramous arthropods do form a clade and are divided into a crustaceanomorph clade and an arachnomorph clade that includes the trilobites. Most Vendian arthropodlike fossils form two clades, the Vendiamorpha and the Sprigginidae, in the arthropod stem group. The Lobopoda is a monophyletic clade with three branches: tardigrades, onychophorans, and marine lobopods. An unranked taxonomic scheme is proposed for the major clades identified here. There is no compelling reason to accept the hypothesis that the Vendian organisms included here are not metazoans.
Text–fig. 1. Map of the Anti-Atlas area (Morocco) with the sampled locality in the Zagora region (marked with a black star) (after Gutiérrez-Marco et al. 2003, and Sumrall and Zamora 2011). Key: a, Precambrian and Palaeozoic rocks; b, Ordovician rocks; c, post-Palaeozoic cover. in Pauxillites Thaddei A New Lower Ordovician Hyolith From Morocco
Text–fig. 1. Map of the Anti-Atlas area (Morocco) with the sampled locality in the Zagora region (marked with a black star) (after Gutiérrez-Marco et al. 2003, and Sumrall and Zamora 2011). Key: a, Precambrian and Palaeozoic rocks; b, Ordovician rocks; c, post-Palaeozoic cover.
Data from: Phylogenetic hypotheses of the relationships of arthropods to Precambrian and Cambrian problematic fossil taxa
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Data from: De novo active sites for resurrected Precambrian enzymes
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Supporting Information of the manuscript "Controls of sedimentary-diagenetic evolution on rock physics properties in Precambrian-Lower Paleozoic ancient carbonate reservoirs"
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The Western Segment of the Precambrian Suture between the Yangtze and Cathaysia Blocks: Constraints from Magnetotelluric Data in Southwest China
<p>MT dataset in Southwest China</p>
Supplementary dataset for 'Lithospheric Structure of the South India Precambrian Terrains From Surface Wave Tomography'
<p>Mullick, N., Rai, S. S., & Saha, G. (2022). Lithospheric structure of the South India Precambrian terrains from surface wave tomography. Journal of Geophysical Research: Solid Earth, 127, e2022JB024244. https://doi. org/10.1029/2022JB024244</p>
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.