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96 results for “dolomite”
Fig. 4 in Palaeoecology of tropical marine invertebrate assemblages from the Late Triassic of Misurina, Dolomites, Italy
Fig. 4. Rank-abundance distributions of the bulk samples from Misurina Landslide and Lago Antorno.
FIGURE 2 in Unveiling trampling history through trackway interferences and track preservational features: a case study from the Bletterbach gorge (Redagno, Western Dolomites, Italy)
FIGURE 2. Orthophoto of the slab MPUR NS 34/28. Scale bar is 50 cm.
Data from: Bivalves from the Changhsingian (Upper Permian) Bellerophon Formation of the Dolomites (Italy): ancestors of the Lower Triassic post extinction benthic communities
<p><span>The diverse shallow marine fossil assemblages from the Changhsingian Bellerophon Formation of the Dolomites record the late Palaeozoic marine life immediately before the end-Permian mass extinction. Here, based on the collection of c. 6500 bivalve specimens from different localities of the western Dolomites, we have taxonomically classified 26 species, including 10 new species, 3 new genera and 1 new family: <em>Acharax</em> <em>frenademezi</em> sp. nov., <em>Bakevellia</em> (<em>Bakevellia</em>) <em>preromangica</em> sp. nov., <em>Edmondia</em> <em>hautmanni</em> sp. nov., <em>Etheripecten</em> <em>stuflesseri</em> sp. nov., <em>Ladinomya</em> <em>fosteri</em> gen. et sp. nov., <em>Lovaralucina</em> <em>covidi</em> gen. et sp. nov., <em>Palaeolima</em> <em>badiotica</em> sp. nov., <em>Promytilus</em> <em>merlai</em> sp. nov., <em>Tambanella</em>? <em>stetteneckensis</em> sp. nov., <em>Volsellina</em> <em>carinata</em> sp. nov., <em>Gardenapecten</em> gen. nov., Ladinomyidae fam. nov. </span><span>The occurrence of three <em>Eumorphotis</em> species with a different and superimposed stratigraphic distribution led us to propose an upper Permian 'lower <em>Eumorphotis</em> Zone' in contrast to the already known Lower Triassic <em>Eumorphotis</em> Zone which is consequently renamed as 'upper <em>Eumorphotis</em> Zone'. The 'lower <em>Eumorphotis</em> Zone' is divided, in ascending stratigraphic order, into <em>E. praecurrens</em>, <em>E. striatocostata</em> and <em>E. lorigae</em> subzones. </span><span>A palaeoecological analysis of the bivalves contained in each sampled bed has allowed us to recognize 6 biofacies and 4 ecofacies, based on richness, dominance and ecological lifestyle. The bivalves from Bellerophon Formation inhabited lagoonal to nearshore environments affected by stressed conditions, mostly represented by high temperatures, high salinity, shallow water depths, low oxygen and high terrigenous input. The upper Bellerophon Fm is characterized by increasing fully marine conditions, although the occurrence of eurytopic taxa still suggests stressed marine conditions.</span></p>
Data from: Bivalves from the Changhsingian (Upper Permian) Bellerophon Formation of the Dolomites (Italy): ancestors of the Lower Triassic post extinction benthic communities
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FIGURE. Hyper-xeric, dolomitic supramediterranean vegetation, dominated by Juniperus phoenicea on the southern face of Sierra de Tolox in the Rondeño sector. (Photo authors). in Vascular flora of the Sierra de las Nieves National Park and its surroundings (Andalusia, Spain)
FIGURE. Hyper-xeric, dolomitic supramediterranean vegetation, dominated by Juniperus phoenicea on the southern face of Sierra de Tolox in the Rondeño sector. (Photo authors).
Update on the 53Mn-53Cr ages of dolomite in the Ivuna CI chondrite and asteroid Ryugu sample
<p>Table S1: XRD data of synthetic carbonates</p> <p>Table S2: Checmical composition of synthetic carbonates</p> <p>Table S3: SIMS data of synthetic carbonates and San Carlos olivine</p> <p>Table S4: SIMS data of Ivuna H2 dolomite</p> <p> </p>
Dataset for Disordered dolomite as an unusual biomineralization product found in the center of a natural Cassis pearl
<p>Natural pearls are produced without human intervention, mainly due to various irritations from the surrounding environment to their mantle tissues. Pearls usually possess similar mineral compositions to the host shells, which means they are also dominated by aragonite and calcite. In this study, we report a natural pearl from a <em>Cassis</em> species mollusk containing granular central structures. Raman spectroscopy, laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS), energy dispersive X-ray spectroscopy (EDS) coupled with scanning electron microscope (SEM), and X-ray diffraction (XRD) analyses were carried out in order to characterize the mineral composition in the center region of this pearl. Our results showed that this pearl's center was made of mostly disordered dolomite (Ca<sub>0.53</sub>Mg<sub>0.47</sub>CO<sub>3</sub>) mixing with small amount of aragonite and high magnesium-calcite. To the best of our knowledge, this is the first time disordered dolomite was conclusively identified inside of a natural pearl and such information expanded our knowledge on internal growth structures and formation of natural pearls.</p>
FIGURE 8 in Description of Sphaleroptera orientana meridionalis subs. n. (Lepidoptera: Tortricidae: Cnephasiini) from the Pale di San Martino Mountain plateau (Dolomites, NE Italy)
FIGURE 8. Comparison table of Sphaleroptera orientana female genitalia: A-B. Sphaleroptera orientana orientana from Austria (Whitebread, 2006; modified); C. Sphaleroptera orientana meridionalis sp. nov.
FIGURE 6 in Description of Sphaleroptera orientana meridionalis subs. n. (Lepidoptera: Tortricidae: Cnephasiini) from the Pale di San Martino Mountain plateau (Dolomites, NE Italy)
FIGURE 6. Sphaleroptera orientana meridionalis sp. nov. paratype, female genitalia (slide number 1952).
FIGURE 3 in Description of Sphaleroptera orientana meridionalis subs. n. (Lepidoptera: Tortricidae: Cnephasiini) from the Pale di San Martino Mountain plateau (Dolomites, NE Italy)
FIGURE 3. Sphaleroptera orientana meridionalis sp. nov. holotype, male, genitalia slide number 1730. A) uncus; B) valva; C) aedeagus in lateral view; length 116.6 µm (blue line).
Supplementary Dataset for "Fluid-mediated recrystallization induces clumped isotope resetting during aragonite dolomitization"
<p>This supplementary dataset contains raw XRD and isotopic data used to generate figure in the article "Fluid-mediated recrystallization induces clumped isotope resetting during aragonite dolomitization" by Guo et al. The XRD raw data files with xrdml suffix can be processed by the MDI Jade 6 software.</p>
Dolomit
Dolomit Dolomite Source: Objaverse 1.0 / Sketchfab
Dataset for Disordered dolomite as an unusual biomineralization product found in the center of a natural Cassis pearl
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Fracture dolomite as an archive of continental palaeo-environmental conditions
<p>Supplementary Information File (raw data; Table 1-8) to the article "Fracture dolomite as an archive of continental palaeo-environmental conditions", published in Communications Earth & Environment</p>
Ultrasonic shear-wave waveform dataset in siltstones, dolomites and a sandstone
<p>These data are the shear-wave waveform data obtained by Ba et al. (2012-2018) through ultrasonic experimental measurements on the three sets of rock samples, including twelve siltstone samples, five dolomites, and one tight sandstone.</p> <p>Details are given in the uploaded introduction document regarding the format of dataset.</p>
Figure 3 from: Francesconi L, Conti M, Gheza G, Martellos S, Nimis PL, Vallese C, Nascimbene J (2024) The Dolichens database: the lichen biota of the Dolomites. MycoKeys 103: 25-35. https://doi.org/10.3897/mycokeys.103.115462
Figure 3 Relative abundance at the genus level referred to the total number of taxa (1994), created using the Krona graph tool (Ondov et al. 2011).
Figure 4 from: Francesconi L, Conti M, Gheza G, Martellos S, Nimis PL, Vallese C, Nascimbene J (2024) The Dolichens database: the lichen biota of the Dolomites. MycoKeys 103: 25-35. https://doi.org/10.3897/mycokeys.103.115462
Figure 4 Relative abundance at the genus level referred to the total number of occurrences (56251), created using the Krona graph tool (Ondov et al. 2011).
Figure 2 from: Francesconi L, Conti M, Gheza G, Martellos S, Nimis PL, Vallese C, Nascimbene J (2024) The Dolichens database: the lichen biota of the Dolomites. MycoKeys 103: 25-35. https://doi.org/10.3897/mycokeys.103.115462
Figure 2 Distribution map of the Dolichens database occurrences and specimens in the study area. Map created using the Free and Open Source QGIS
Figure 1 from: Francesconi L, Conti M, Gheza G, Martellos S, Nimis PL, Vallese C, Nascimbene J (2024) The Dolichens database: the lichen biota of the Dolomites. MycoKeys 103: 25-35. https://doi.org/10.3897/mycokeys.103.115462
Figure 1 Study area of the project. The core area (dark orange) is wider than the SOIUSA definition (black line, Marazzi 2005). It includes all the 9 UNESCO systems (purple) and it extends southward to the Prealps including the Little Dolomites as well, retracing the historical definition (dotted black line, Bosellini 1989).
Supplementary material 1 from: Francesconi L, Conti M, Gheza G, Martellos S, Nimis PL, Vallese C, Nascimbene J (2024) The Dolichens database: the lichen biota of the Dolomites. MycoKeys 103: 25-35. https://doi.org/10.3897/mycokeys.103.115462
Krona graph taxa and occurrences
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