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132 results for “Continental margin”
Fig. 8 in New and known Halichoanolaimus de Man, 1886 species (Nematoda: Selachinematidae) from New Zealand's continental margin
Fig. 8. Halichoanolaimus funestus sp. nov. A. Entire paratype ♀ (NIWA 139249). B. Entire holotype ♂ (NIWA 139248). Scale bar = 250 µm.
Fig. 6 in New and known Halichoanolaimus de Man, 1886 species (Nematoda: Selachinematidae) from New Zealand's continental margin
Fig. 6. Halichoanolaimus ossilagulus sp. nov. Light micrographs. A, B. Cephalic region of paratype ♀ (NIWA 139247), showing structure of buccal cavity. C. Cloacal region of holotype ♂ (NIWA 139246), showing cuticle ornamentation and pore complexes (arrows). D. Junction of pharynx and intestine of paratype ♀ showing position of secretory-excretory gland (seg) and pseudoceolomocyte (pc). Scale bar: A–B = 15 µm; C = 11 µm; D = 17 µm.
Fig. 5 in New and known Halichoanolaimus de Man, 1886 species (Nematoda: Selachinematidae) from New Zealand's continental margin
Fig. 5. Halichoanolaimus ossilagulus sp. nov. A. Entire holotype ♂ (NIWA 139246). B. Entire paratype ♀ (NIWA 139247). Scale bar = 150 µm.
Fig. 7 in New and known Halichoanolaimus de Man, 1886 species (Nematoda: Selachinematidae) from New Zealand's continental margin
Fig. 7. Halichoanolaimus funestus sp. nov. A. Anterior body region of paratype ♀ (NIWA 139249). B. Holotype ♂ (NIWA 139248), cephalic region. C. Paratype ♀, cephalic region. D. Holotype ♂, posterior pharyngeal region and anterior intestinal region showing location of pseudocoelomocytes. E. Holotype ♂, spicular apparatus. F. Paratype ♀, posterior body region. G. Holotype ♂, posterior body region. Scale bar: A = 112 µm; B–C, E = 50 µm; D = 105 µm; F = 115 µm; G = 75 µm.
Fig. 3. Halichoanolaimus ovalis Ditlevsen, 1921. Light micrographs. A in New and known Halichoanolaimus de Man, 1886 species (Nematoda: Selachinematidae) from New Zealand's continental margin
Fig. 3. Halichoanolaimus ovalis Ditlevsen, 1921. Light micrographs. A. Female cuticle showing lateral differentiation and pore complexes (arrow). B. Vulva, showing vaginal glands. C. Copulatory apparatus. Scale bar: A, C = 5 µm; B = 15 µm.
Fig. 1. Halichoanolaimus ovalis Ditlevsen, 1921 A. Male anterior body region. B in New and known Halichoanolaimus de Man, 1886 species (Nematoda: Selachinematidae) from New Zealand's continental margin
Fig. 1. Halichoanolaimus ovalis Ditlevsen, 1921 A. Male anterior body region. B. Posterior male pharyngeal region and anterior intestinal region showing location of pseudocoelomocytes. C. Female cephalic region. D. Male cephalic region. E. Male posterior body region. F. Female posterior body region. Scale bar: A = 50 µm; B = 37 µm; C, E = 27 µm; D = 25 µm; F = 35 µm.
Fig. 10 in New and known Halichoanolaimus de Man, 1886 species (Nematoda: Selachinematidae) from New Zealand's continental margin
Fig. 10. Halichoanolaimus pumilus sp. nov. Holotype ♂, NIWA 139250. A. Anterior body region. B. Posterior body region. C. Entire ♂. Scale bar: A = 25 µm; B = 42 µm; C = 60 µm.
Fig. 4 in New and known Halichoanolaimus de Man, 1886 species (Nematoda: Selachinematidae) from New Zealand's continental margin
Fig. 4. Halichoanolaimus ossilagulus sp. nov. A. Holotype ♂ (NIWA 139246), anterior body region. B. Paratype ♀ (NIWA 139247), cephalic region. C. Paratype ♂ (NIWA 139247), cephalic region. D. Paratype ♂, posterior body region. E. Paratype ♀, posterior body region. F. Holotype ♂, cephalic region. G. Holotype ♂, posterior body region. Scale bar: A = 50 µm; B–C, E–F = 35 µm; D = 30 µm; G = 32 µm.
Model data repository of "Styles of Trench-parallel Mid-ocean Ridge Subduction Affect Cenozoic Geological Evolution in circum-Pacific Continental Margins"
<p>This dataset contains the data used in Wu et al. (2022): "Styles of Trench-parallel Mid-ocean Ridge Subduction Affect Cenozoic Geological Evolution in circum-Pacific Continental Margins".</p>
Research dat for: "Active Tectonics of the North Tunisian Continental Margin"
<p>The data are the figures in high-resolution for the article: "Active Tectonics of the North Tunisian Continental Margin"</p>
Supplementary data to accompany Gernon, T.M., Hincks, T.K., Brune, S., Braun, J., Jones, S.M., Keir, D., Cunningham, A., & Glerum, A., Co-evolution of craton margins and interiors during continental breakup.
<p>Supplementary data to accompany Gernon, T.M., Hincks, T.K., Brune, S., Braun, J., Jones, S.M., Keir, D., Cunningham, A., & Glerum, A., <em>Co-evolution of craton margins and interiors during continental breakup</em>. Nature (Accepted in Principle at time of writing, 3 June 2024).</p> <p><strong>Constraining thermochron uncertainty</strong></p> <p>We utilise published thermochron model data for 46 sites across southern Africa from Brown et al. (2002); Green et al. (2017); Kounov et al. (2013) and (2009); Stanley et al. (2020), (2015) and (2013); Tinker et al. (2008), and Wildman et al. (2017), (2016) and (2015). </p> <p>The above studies present model uncertainty in slightly different ways. However, we have attempted to provide equivalent estimates of uncertainty across the board in our analysis. </p> <p>Stanley and Flowers (2020) provide individual simulation runs for 15 sites, and we use these directly to estimate maximum temperature drop and associated timing for each simulation. For the 12 sites provided by Wildman et al. (2017, 2016, 2015), we use the best fit and 95 percentile envelope, and assume the 'good fit' envelopes of Kounov et al. (2009) to be broadly equivalent. For 15 sites (see MinMax.csv) we utilise the best fit curve together with an estimate of the minimum and maximum plausible timing of the point of maximum temperature drop.</p> <p>Green et al. (2017) provides only a best fit curve, and in the absence of further data we cannot provide an uncertainty estimate here. </p> <p><br><strong>Files provided</strong></p> <p><strong>SourceData.csv</strong><br>Summary of each site, associated data source(s), coordinates and model uncertainty. Please see references listed within for complete thermochron model descriptions and original data.</p> <p><strong>MinMax.csv</strong><br>Name/Location and references for thermochron source data for 15 sites with best fit curves, and estimates of the min/max time of maximum temperature drop.<br>Tmin and Tmax (degrees C) are the minimum and maximum modelled temperatures for each location. t1_Ma and t2_Ma are the minimum and maximum times (Ma) where the model simulations (best, good or acceptable fit) reach the midpoint temperature Tmid= (Tmax -Tmin)/2<br>The most likely timing is taken from the best fit curve. </p> <p><strong>Files in Thermochron_bestfit</strong><br>Best fit thermochron curves (Age in Ma, and Temp in degrees C) for 31 sites digitized from the original publications. Names correspond to File Names in SourceData.csv, which also provides references.</p> <p><strong>Files in Thermochron_Envelopes</strong><br>Lower and Upper 95 percentile thermochron envelopes (denoted *_L95.csv or *_U95.csv) for 12 sites, digitized from Wildman et al. (2017, 2016, 2015).<br>Lower and Upper good fit thermochron envelopes (denoted *_L.csv or *_U.csv) for three sites, digitized from Kounov et al. (2009)<br>Age in Ma, and Temp in degrees C.<br> <br><strong>Files in Stanley2020_model_runs</strong><br>Individual model output directly from Stanley and Flowers 2020 for 15 sites (no modification of original published data). Note these files include modelled best fit curves.</p> <p>If any of the thermochron model data/summaries given here are re-used, please cite the original source(s) as provided below.</p> <p><br><strong>Complete references</strong></p> <p>R. W. Brown, M. A. Summerfield, and A. J. W. Gleadow. Denudational history along a transect across the Drakensberg Escarpment of southern Africa derived from apatite fission track thermochronology. Journal of Geophysical Research: Solid Earth, 107(B12), 2002.</p> <p>P. F. Green, I. R. Duddy, P. Japsen, J. M. Bonow, and J. A. Malan. Post-breakup burial and exhumation of the southern margin of Africa. Basin Research, 29(1):96–127, 2017.</p> <p>A. Kounov, G. Viola, I. Dunkl, and H. E. Frimmel. Southern African perspectives on the long-term morpho-tectonic evolution of cratonic interiors. Tectonophysics, 601:177–191, 2013.</p> <p>A. Kounov, G. Viola, M. deWit, and M. A. G. Andreoli. Denudation along the Atlantic passive margin: new insights from apatite fission-track analysis on the western coast of South Africa. Geological Society, London, Special Publications, 324(1):287–306, 2009.</p> <p>J. R. Stanley and R. M. Flowers. Mesozoic denudation history of the lower Orange River and eastward migration of erosion across the southern African Plateau. Lithosphere, 12(1):74–87, 2020.</p> <p>J. R. Stanley, R. M. Flowers, and D. R. Bell. Erosion patterns and mantle sources of topographic change across the southern African Plateau derived from the shallow and deep records of kimberlites. Geochemistry, Geophysics, Geosystems, 16(9):3235–3256, 2015.</p> <p>J. R. Stanley, R. M. Flowers, and D. R. Bell. Kimberlite (U-Th)/He dating links surface erosion with lithospheric heating, thinning, and<br>metasomatism in the southern African Plateau. Geology, 41(12):1243–1246, 2013.</p> <p>J. Tinker, M. de Wit, and R. Brown. Linking source and sink: Evaluating the balance between onshore erosion and offshore sediment accumulation since Gondwana break-up, South Africa. Tectonophysics, 455(1):94–103, 2008.</p> <p>M. Wildman, R. Brown, C. Persano, R. Beucher, F. M. Stuart, V. Mackintosh, K. Gallagher, J. Schwanethal, and A. Carter. Contrasting Mesozoic evolution across the boundary between on and off craton regions of the South African plateau inferred from apatite fission track and (U-Th-Sm)/He thermochronology. Journal of Geophysical Research: Solid Earth, 122(2):1517–1547, 2017.</p> <p>M. Wildman, R. Brown, R. Beucher, C. Persano, F. Stuart, K. Gallagher, J. Schwanethal, and A. Carter. The chronology and tectonic style of landscape evolution along the elevated Atlantic continental margin of South Africa resolved by joint apatite fission track and (U-Th-Sm)/He thermochronology. Tectonics, 35(3):511–545, 2016.</p> <p>M. Wildman, R. Brown, R. Watkins, A. Carter, A. Gleadow, and M. A. Summerfield. Post break-up tectonic inversion across the southwestern cape of South Africa: New insights from apatite and zircon fission track thermochronometry. Tectonophysics, 654:30–55, 2015.</p>
Figure 3 in Deep-sea majoid crabs of the genera Oxypleurodon and Rochinia (Crustacea: Decapoda: Brachyura: Epialtidae) mostly from the continental margin of Western Australia
Figure 3. Rochinia annae sp. nov. Male left pleopod 1 (paratype WAM C400531). a, anterior view. b, detail of tip, anterior view. c, detail of tip, posterior view.
Figure 1 in Deep-sea majoid crabs of the genera Oxypleurodon and Rochinia (Crustacea: Decapoda: Brachyura: Epialtidae) mostly from the continental margin of Western Australia
Figure 1. Lateral and dorsal views, scale = 5 mm. a, Oxypleurodon luzonicum (female, NMV J58221). b, Oxypleurodon wilsoni sp. nov. (holotype, WAM C400259). c, Rochinia annae sp. nov. (holotype, WAM C400531). d, Rochinia carinata (male, NMV J53872).
Figure 2 in Deep-sea majoid crabs of the genera Oxypleurodon and Rochinia (Crustacea: Decapoda: Brachyura: Epialtidae) mostly from the continental margin of Western Australia
Figure 2. Lateral and dorsal views, scale = 5 mm. a, Rochinia fultoni (female, NMV J4730). b, Rochinia pulchra (female, NMV J55947). c, Rochinia sibogae (male, NMV J58142). d, Rochinia strangeri (female, NMV J55427).
Lower crustal extrusion in the distal continental margin of the South China Sea_SI_v2
<p>Supporting documents for submitted articles</p>
FIGURE 10 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 10. Optical microscope images; scale bar equals 200 μm. 1. Bolivina interjuncta 47-2; 168 cm, 2. Bolivina subadvena 47-2; 113 cm, 3. Bolivina plicata microspheric form 416; 200 cm, 4. Bolivina plicata macrospheric form 416; 100 cm, 5. Bolivina argentea 50-4; 350 cm, 6. Praeglobobulimina spinescens 47-2; 168 cm, 7. Bolivina spissa macrospheric form 52-2; 520 cm, 8. Bolivina spissa microspheric form 47-2; 128 cm, 9. Stainforthia complanata 50-4; 210 cm, 10. Bolivina alata 50-4; 110 cm, 11. Buliminella tenuata 50-4; 100 cm, 12. Globobulimina pacifica 52-2; 230 cm, 13. Uvigerina peregrina 416; 200 cm, 14 – 15. Bulimina exilis 50-4; 100 cm & 350 cm, 16. Buliminella curta var. basispinata 50-4; 350 cm, 17. Uvigerina auberiana 50-4; 350 cm, 18. Cassidulina crassa 52-2; 520 cm.
FIGURE 6 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 6. Visual description of core M77/1-416 with magnetic susceptibility (SI) measurements and <63 μm (weight %) information. Relative abundances of given species are potentially in relation with the downslope transported material.
FIGURE 3 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 3. Dominance and Fisher α diversity indices calculated for each sample and core. Note that the scale bars are different.
FIGURE 13 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 13. SEM images; scale bar equals 200 μm. 1. Cibicidoides wuellerstorfi spiral view 52-2; 500 cm, 2. Cibicides mckannai umbilical view 52-2; 230 cm, 3. Epistominella smithi umbilical view 50-4; 210 cm, 4. Epistominella smithi spiral view 50-4; 210 cm, 5. Planulina limbata umbilical view 416; 100 cm, 6. Epistominella pacifica umbilical view 416; 200 cm, 7. Epistominella pacifica spiral view 416; 200 cm, 8. Epistominella pacifica peripheral view 416; 200 cm, 9. Gyroidina rothwelli spiral view 416; 100 cm, 10. Oridorsalis umbonatus umbilical view 52-2; 230 cm, 11. Gyroidina subtenera umbilical view 52-2; 230 cm, 12. Gyroidina subtenera spiral view 52-2; 270 cm, 13. Epistominella pacifica umbilical view 47-2; 128 cm, 14. Gyroidina rothwelli umbilical view 416; 100 cm, 15. Cassidulina carinata 50-4; 210 cm.
FIGURE 2 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 2. Schematic description of the focused time intervals and samples considered regarding to the benthic foraminifera study at each core.
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