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212 results for “sandstone”
low Cerro Gordo; StL 2, Cerro Gordo sandstone; StL 3, between Cerro Gordo and Chunchullo; StL 4, Chunchullo sandstone; StL 5, bed set between Chunchullo and Tatacoa; StL 6, Tatacoa sandstone; StL 7, bed set below Cerbatana conglomerate; StL 8, Cerbatana conglomerate; StL 9, Monkey beds; StL 10, bed set above Monkey beds; StL 12, bed set above Fish bed; StL 14, bed set below La Venta red beds; StL 15, La Venta red beds; StL 16, bed set between La Venta red beds and El Cardón red beds; StL 17, El Cardón red beds; StL 18, San Francisco sandstone; StL 19, Polonia red beds; D, reconstruction of the head of Neodolodus colombianus based on the 3D model of the almost complete skull of the specimen VPPLT 1696. Abbreviations: Fm, Formation; St m, Stratigraphic meter. Reconstruction of N. colombianus made by Tatsuya Shimura. in New remains of Neotropical bunodont litopterns and the systematics of Megadolodinae (Mammalia: Litopterna)
low Cerro Gordo; StL 2, Cerro Gordo sandstone; StL 3, between Cerro Gordo and Chunchullo; StL 4, Chunchullo sandstone; StL 5, bed set between Chunchullo and Tatacoa; StL 6, Tatacoa sandstone; StL 7, bed set below Cerbatana conglomerate; StL 8, Cerbatana conglomerate; StL 9, Monkey beds; StL 10, bed set above Monkey beds; StL 12, bed set above Fish bed; StL 14, bed set below La Venta red beds; StL 15, La Venta red beds; StL 16, bed set between La Venta red beds and El Cardón red beds; StL 17, El Cardón red beds; StL 18, San Francisco sandstone; StL 19, Polonia red beds; D, reconstruction of the head of Neodolodus colombianus based on the 3D model of the almost complete skull of the specimen VPPLT 1696. Abbreviations: Fm, Formation; St m, Stratigraphic meter. Reconstruction of N. colombianus made by Tatsuya Shimura.
Fig. 33. A–C in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 33. A–C. Chelichnus cf. duncani (Owen, 1842). A. Muz. PIG OS− 220/39: 20–27 somewhat irregular trackway. B. Muz. PIG OS−220/63: 1 isolated imprint. C. Muz. PIG OS−220/62: 1 left pedal imprint. D, E.?Dimetropus sp. D. Muz. PIG OS−220/69 slab with claw scratches. E. Muz. PIG OS−220/64: 1 specimen with four digits imprints. Scale bars: A, D, 10 cm; B, C, E, 5 cm.
Fig. 32. A, E in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 32. A, E.?Dimetropus sp. A. Muz. PIG OS−220/69 surface showing only claw scratches. E. Muz. PIG OS−220/64: 1 broken slab with a part of imprint showing four digits with claw marks. B, C, D. Not determinable imprints. B. Muz. PIG OS−220/71 two big, indeterminable footprints might represent Dimetropus sp. or Chelichnus sp. C. Claw marks (natural casts) of very big animal on the surface with Rhynchosauroidae imprints (specimen not collected). D. Muz. PIG OS−220/32 a part of trackway showing no details of pedal and manual imprints. Scale bars in cm.
Fig. 27. Phalangichnus gagoli ichnosp. nov. A in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 27. Phalangichnus gagoli ichnosp. nov. A. Muz. PIG OS−222/1: 47–56 five consecutive pedal and manual imprints. B. Muz. PIG OS−222/1: 29–43 eight consecutive sets of imprints; among them imprints (not numbered) of other fragmentary trackways made almost along the same line. C. Muz. PIG OS−222/1: 1–6 three consecutive sets of pedal and manual imprints; the second set of imprints is designed as the holotype. D. Muz. PIG OS−222/1: 13–18 three consecutive sets of imprints. Scale bars 5 cm.
Fig. 35. A1 in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 35. A1. Muz. PIG OS−220/27: 56–62 not determined trackway showing mostly manual imprints (possibly representing Phalangichnus gradzinskii ichnosp. nov.). A2. Paradoxichnium tumlinense ichnosp. nov.; Muz. PIG OS−220/27: 173–178 three consecutive sets of pedal and manual imprints. A3. Two sets of imprints, Muz. PIG OS−220/27: 60, 61 set of left poorly preserved pedal and manual imprints, accompanying not numbered, just visible set of right pedal and manual imprints of Paradoxichnium tumlinense ichnosp. nov. preserved in state could be erroneously interpreted as set of Anhomoiichnium. A4. Rhynchosauroides kuletae ichnosp. nov.; Muz. PIG OS−220/27: 73 left manual imprint (in the center of the photograph) deformed by the sliding movement could be erroneously interpreted as Chelichnus. B, C. Palmichnus lacertoides ichnosp. nov. B. Muz. PIG OS−220/57: 1, 2 set of left pedal and manual impressed in state could be erroneously interpreted as Chelichnus.C. Muz. PIG OS−220/55: 30, 31 set of right pedal and manual in state of preservation could be erroneously interpreted as Anhomoiichnium. Scale bars 5 cm.
Fig. 31. A–C in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 31. A–C. Chelichnus cf. duncani (Owen, 1842). A. Muz. PIG OS−220/39: 20–27 the best distinguishable part of the trackway. B. Muz. PIG OS−220/70 association of poorly preserved tracks. C. Muz. PIG OS−220/62: 1, 2 poorly preserved imprint with claw marks visible on all five digits. D. Dimetropus sp. Poorly preserved imprint (specimen not collected). Scale bars 5 cm.
Fig. 15. Palmichnus lacertoides ichnosp. nov. A in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 15. Palmichnus lacertoides ichnosp. nov. A. Muz. PIG OS−220/55: 1–7 trackway with the holotype, Muz. PIG OS−220/55: 6, 7. B. Muz. PIG OS−220/55: 8–14 trackway. C. Muz. PIG OS−220/55: 15–20 trackway. Scale bar 10 cm.
Fig. 14. Palmichnus lacertoides ichnosp. nov. A1 in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 14. Palmichnus lacertoides ichnosp. nov. A1. Muz. PIG OS−220/55: 6, 7 set of right pedal and manual imprints, holotype. A2. Muz. PIG OS−220/55: 4, 5 set of left pedal and manual imprints. A3. Muz. PIG OS−220/55: 23, 24 set of right pedal and manual imprints. A4. Muz. PIG OS−220/55: 1, 2 set of left pedal and manual imprints. A5. Muz. PIG OS−220/55: 8, 9 set of right pedal and manual imprints. B. Muz. PIG OS−220/54: 10, 11 set of right pedal and manual imprints. C1. Muz. PIG OS−220/29: 2 left, isolated pedal imprint. C2. Muz. PIG OS−220/29: 3 right isolated pedal imprint. Scale bars 5 cm.
Fig. 34. A in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 34. A. Muz. PIG OS−220/27: 98–102 five consecutive pedal, partly with accompanying manual imprints preserved in the state characteristic of Phalangichnus. B. Muz. PIG OS−220/73: 76–81 three consecutive pedal and manual imprints preserved in the state characteristic of Phalangichnus. C1. Palmichnus lacertoides ichnosp. nov.; Muz. PIG OS−220/39: 7–12 three consecutive sets of imprints. C2. Phalangichnus gradzinskii ichnosp. nov.; Muz. PIG OS−220/39: 28–33 three consecutive sets of imprints. Scale bars 5 cm.
Fig. 13. Palmichnus lacertoides ichnosp. nov. A1 in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 13. Palmichnus lacertoides ichnosp. nov. A1. Muz. PIG OS−220/55: 1–7 trackway with the holotype, Muz. PIG OS−220/55: 6, 7. A2. Muz. PIG OS−220/55: 8–14 trackway. B. Muz. PIG OS−220/54: 1–7 trackway, other isolated sets of imprints Muz. PIG OS−220/54: 8, 9 and Muz. PIG OS−220/55: 10, 11 are also visible. C1. Muz. PIG OS−220/27: 32, 33, and 34, 35 two sets of right pedal and manual imprints. C2. Muz. PIG OS−220/27: 34, 35 set of right pedal and manual imprints. Scale bars 5 cm.
Fig. 12. Rhynchosauroides kuletae ichnosp. nov. A1 in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 12. Rhynchosauroides kuletae ichnosp. nov. A1. Muz. PIG OS−220/27: 11, 12 set of left pedal and manual imprints, holotype. A2. Muz. PIG OS−220/27: 76, 77 set of right pedal and manual imprints. A3. Muz. PIG OS−220/27: 30, 31 set of left pedal and manual imprints. B. Muz. PIG OS−220/28: 1, 2 set of right pedal and manual imprints. C1. Muz. PIG OS−220/73: 88, 89 set of right pedal and manual imprints. C2. Muz. PIG OS−220/73: 7, 8 set of right pedal and manual imprints. D. Muz. PIG OS−220/6: 1, 2 set of left pedal and manual imprints. Scale bar 5 cm.
Fig. 16. Palmichnus lacertoides ichnosp. nov. A1 in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 16. Palmichnus lacertoides ichnosp. nov. A1. Muz. PIG OS−220/55: 1, 2 set of left pedal and manual imprints. A2. Muz. PIG OS−220/55: 6, 7 set of right pedal and manual imprints; holotype. A3. Muz. PIG OS−220/55: 18 isolated right manual imprint. A4. Muz. PIG OS−220/55: 7 right pedal imprint. A5. Muz. PIG OS−220/55: 8, 9 set of right pedal and manual imprints. B. Muz. PIG OS−220/54: 10, 11 set of right pedal and manual imprints. C. Muz. PIG OS−220/27: 34, 35 set of right pedal and manual imprints. D1. Muz. PIG OS−220/29: 2 isolated left pedal imprint. D2. Muz. PIG OS− 220/29: 3 right pedal imprint. Scale bar 5 cm.
Fig. 10. Rhynchosauroides kuletae ichnosp. nov. A1 in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 10. Rhynchosauroides kuletae ichnosp. nov. A1. Muz. PIG OS−220/27: 11, 12 set of left pedal and manual imprints, holotype. A2. Muz. PIG OS−220/27: 13, 14 set of right pedal and manual imprints. A3. Muz. PIG OS−220/27: 20, 21 set of left pedal and manual imprints. A4. Muz. PIG OS−220/27: 30, 31 set of left pedal and manual imprints. B. Muz. PIG OS−220/73: 88, 89 set of right pedal and manual imprints. C. Muz. PIG OS−220/28: 1, 2 set of right pedal and manual imprints. D. Muz. PIG OS−220/6: 1, 2 set of left pedal and manual imprints. Scale bars 5 cm.
Fig. 1 in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 1. Location of the Tumlin Sandstone vertebrate tracksites in Poland (A) and in Holy Cross Mountains (B, C). Quaternary removed, tectonics not respected (modified from Ptaszyński and Niedźwiedzki 2002).
Fig. 6 in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 6. Amphisauropus cf. latus Haubold, 1970. A. Muz. PIG OS−220/34: 12–19 poorly preserved trackway. B. Muz. PIG OS−220/34: 20 complete pedal imprint with the consecutive next, poorly preserved set of imprints. C. Muz. PIG OS−220/34: 2–11 fragmentary trackway. Scale bars 5 cm.
Fig. 5. A in Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
Fig. 5. A. Limnopus cf. zeilleri (Delage, 1912); Muz. PIG OS−220/31A: 1, left pedal imprint. B, C. Batrachichnus cf. salamandroides (Geinitz, 1861). B. Muz. PIG OS−220/44: 1, 2, right set of pedal and manual imprints. C. Muz. PIG OS−220/44: 3, left pedal (?) imprint. Scale bars: A, 5 cm; B, C, 2 cm.
Strain localization in sandstone-derived fault gouges under conditions relevant to earthquake nucleation
Open the record for dataset details and reuse information.
Triaxial test of Bunter Sandstone
<p>This data set contains the data of a triaxial test of Bunter Sandstone. The sandstone was consolidated and fully saturated. The aim was to measure dilatancy and three circumferential extensiometer chains were installed for this purpose.</p>
Temperature response of water-saturated compact Longmenshan limestone and porous Rajasthan sandstone to changes in confining pressure
<p>Three data sets are stored in this data submission. The first data set includes the temperature response of water-saturated compact Longmenshan limestone (L27) and porous Rajasthan sandstone (RJS) to changes in confining pressure under drained/undrained conditions. The second data set includes the thermal properties of rock-forming minerals and estimations of thermal characteristic time/distance. The third data set includes the internal temperature evolution of the water-saturated sample within 1 s after instantaneous loading in models M-01, M-02 and M03, in which the thermal properties of the solid grains are set to be that of gypsum, average values of the main rock-minerals and <em>α</em>-quartz, respectively.</p>
Data from: Early Paleocene tropical forest from the Ojo Alamo Sandstone, San Juan Basin, New Mexico, USA
Earliest Paleocene megafloras from North America are hypothesized to be low diversity and dominated by long-lived cosmopolitan species following the Cretaceous-Paleogene (K/Pg) mass extinction. However, megafloras used to develop this hypothesis are from the Northern Great Plains of North America, and relatively little is known about floras from southern basins. Here, we present a quantitative analysis of an earliest Paleocene megaflora (<350 kyr after K/Pg boundary) from the Ojo Alamo Sandstone in the San Juan Basin (SJB), New Mexico. The megaflora, comprised of 53 morphotypes, was dominated by angiosperms, with accessory taxa composed of pteridophytes, lycophytes, and conifers. Diversity analyses indicate a species rich, highly uneven, and laterally heterogeneous flora. Paleoclimate estimates using multivariate and univariate methods indicate warm temperatures and relatively high precipitation consistent with a modern tropical seasonal forest. When compared to contemporaneous floras from the Denver Basin (DB) of Colorado and the Williston Basin (WB) of North Dakota, the SJB flora had significantly higher species richness but lower evenness. Paleoclimate estimates from the SJB were 7-14 °C warmer than the DB and WB, indicating a shift from a temperate forest in the Northern Great Plains to a tropical forest in the SJB. These results demonstrate the presence of a latitudinal floral diversity and paleoclimatic gradient during the earliest Paleocene in western North America. We hypothesize that the warm, wet conditions in the earliest Paleocene SJB drove rapid rates of speciation following the K/Pg boundary resulting in a diverse and heterogenous flora.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.