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FIGURE 11 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 11. XMT result of Meekella sangzhiensis (Q-1). 1-7, serial slices in the coronal plane (from posterior to anterior). 8-15, serial slices in the transverse plane (from ventral to dorsal). 16-21, serial slices in the sagittal plane (from lateral to middle). 22-24, lateral (22), ventral (23) and dorsal (24) views of the reconstructed 3-D model (external shell). 25, ventral view of the 3-D model in transparent mode. All the slice images were obtained under false-color lookup tables (Color 1 option in DataViewer). Abbreviation: dp, dental plate.

FIGURE 9 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 9. XMT result of Cyrtospirifer whitneyi (CD). 1-10, serial slices in the coronal plane (from posterior to anterior). 11-18, serial slices in the transverse plane (from ventral to dorsal). 19-24, serial slices in the sagittal plane (from lateral to middle). 25-28, lateral (25), ventral (26), dorsal (27) and posterior (28) views of the reconstructed 3-D model (external shell). 29, ventral view of the 3-D model in transparent mode. All the slice images were obtained under falsecolor lookup tables (Color 1 option in DataViewer). Abbreviations: dp, dental plates; tt, teeth.

FIGURE 10 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 10. XMT result of Spiriferidae gen. sp. indet. (S1). 1-8, serial slices in the coronal plane (from posterior to anterior). 9-15, serial slices in the transverse plane (from ventral to dorsal). 16-21, serial slices in the sagittal plane (from lateral to middle). 22-24, lateral (22), ventral (23) and posterior (24) views of the reconstructed 3-D model (external shell). 25, ventral view of the 3-D model in transparent mode. All the slice images were obtained under false-color lookup tables (Color 1 option in DataViewer). Abbreviation: dp, dental plates.

FIGURE 8 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 8. XMT result of Indospirifer sp. (3229). 1-8, serial slices in the coronal plane (from posterior to anterior). 9-15, serial slices in the transverse plane (from ventral to dorsal). 16-20, serial slices in the sagittal plane (from lateral to middle). 21-22, lateral (21) and ventral (22) views of the reconstructed 3-D model (external shell). 23-24, ventral (23) and ventroanterior (24) views of the 3-D model in transparent mode. All the slice images were obtained under false-color lookup tables (Color 1 option in DataViewer). Abbreviations: dp, dental plates; cp, cardinal process; hp, hinge plate; sp, spiralia.

FIGURE 5 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 5. XMT result of Cleiothyridina baracoodensis (ML32). 1-11, serial slices in the coronal plane (from posterior to anterior). 12-21, serial slices in the transverse plane (from ventral to dorsal). 22-27, serial slices in the sagittal plane (from lateral to middle). 28-31, lateral (28), ventral (29), dorsal (30) and posterior (31) views of the reconstructed 3-D model (external shell). 32, ventral view of the 3-D model in transparent mode. All the slice images were obtained under false-color lookup tables (Color 2 option in DataViewer). Abbreviations: tt, teeth; sk, socket; cf, cardinal flanges.

FIGURE 4 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 4. XMT result of Stenoscisma timorense (BS-2). 1-10, serial slices in the coronal plane (from posterior to anterior). 11-17, serial slices in the transverse plane (from ventral to dorsal). 18-22, serial slices in the sagittal plane (from lateral to middle). 23-25, lateral (23), ventral (24) and dorsal (25) views of the reconstructed 3-D model (external shell). 26, posterior view of the coronally sectioned 3-D model. 27, ventral view of the 3-D model in transparent mode. All the slice images were obtained under false-color lookup tables (Color 1 option in DataViewer). Abbreviations: sd, spondylium; tt, teeth.

FIGURE 7 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 7. XMT result of Spiriferina sp. (BS-1). 1-7, serial slices in the coronal plane (from posterior to anterior). 8-14, serial slices in the transverse plane (from ventral to dorsal). 15-19, serial slices in the sagittal plane (from lateral to middle). 20-22, lateral (20), ventral (21) and dorsal (22) views of the reconstructed 3-D model (external shell). 23, ventral view of the 3-D model in transparent mode. All the slice images were obtained under false-color lookup tables (Color 1 option in DataViewer). Abbreviations: dp, dental plates; ms, median septum; sp, spiralia; tt, teeth; cr, crus; sk, socket.

FIGURE 6 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 6. XMT result of Tylothyris transversa (TeP). 1-7, serial slices in the coronal plane (from posterior to anterior). 8-14, serial slices in the transverse plane (from ventral to dorsal). 15-19, serial slices in the sagittal plane (from lateral to middle). 20-22, lateral (20), ventral (21) and dorsal (22) views of the reconstructed 3-D model (external shell). 23, ventral view of the 3-D model in transparent mode. All the slice images were obtained under false-color lookup tables (Color 1 option in DataViewer). Abbreviation: sp, spiralia.

FIGURE 2 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 2. Thin section and cathodoluminescence (CL) photomicrographs: Indospirifer sp. (3229) (1-4), Cyrtospirifer whitneyi (CD) (5-8), Spiriferidae gen. sp. indet. (S1) (9-12), Spiriferella loveni (F8) (13-16), Meekella sangzhiensis (Q- 1) (17-18) and Tyloplecta nanjingensis (Q-2) (19-20). 1, plane-polarized light (PPL) image of infilling micrite and shell fragments scattered. 2-3, transmitted light (TL) (2) and corresponding CL (3) images of luminescent shell. 4, CL image showing slightly luminescent shell. 5-8, TL (5, 7) and CL (6, 8) images of both luminescent shell and infilling sediment. 9-10, PPL images of brachiopod shell, infilling packstone and thin silicified layer along their boundary. 11- 12, TL (11) and CL (12) images of nonluminescent shell. 13-16, TL (13, 15) and CL (14, 16) images showing a variety of shell luminescence and infilling sediment composed of calcitic skeletal grains (bryozoan in 15 and 16). 17-20, PPL (17, 19, 20) and TL (18) images of both silicified shells and infillings. Abbreviations: bs, brachiopod shell; im, infilling material; fs, fragmented shell; os, other shell material; sl, silicified layer; NL, nonluminescent; SL, slightly luminescent; L, luminescent.

FIGURE 3 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 3. XMT result of Timaniella harkeri (GSC26406). 1-10, serial slices in the coronal plane (from posterior to anterior). 11-17, serial slices in the transverse plane (from ventral to dorsal). 18-22, serial slices in the sagittal plane (from lateral to middle). 23-25, lateral (23), ventral (24) and dorsal (25) views of the reconstructed 3-D model (external shell). 26, ventral view of the 3-D model in transparent mode. All the slice images were obtained under false-color lookup tables (Color 2 option in DataViewer). Abbreviations: tt, teeth; sp, spiralia; sk, socket.

FIGURE 1 in Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods

FIGURE 1. Thin section and cathodoluminescence (CL) photomicrographs: Timaniella harkeri (GSC26406) (1-4), Spiriferina sp. (BS-1) (5-8), Stenoscisma timorense (BS-2) (9-12), Cleiothyridina baracoodensis (ML32) (13-16) and Tylothyris transversa (TeP) (17-20). 1-2, transmitted light (TL) (1) and corresponding CL images (2) of nonluminescent shell and infilling sediment composed of fine sand grains. 3-4, TL (3) and CL (4) images of nonluminescent associated with partially luminescent shell in the cardinal area of dorsal valve. 5-8, TL (5, 7) and CL (6, 8) images of nonluminescent associated with partially luminescent shell and luminescent infilling cement. 9-12, TL (9, 11) and CL (10, 12) images of luminescent shell with thin silicified layers and recrystallization along inner wall of brachiopod shell. 13, plane-polarized light (PPL) image of the original infilling sediment composed of calcareous sands. 14, PPL image showing the section of infilling cement. 15-16, TL (15) and CL (16) images of slightly luminescent shell. 17, PPL image of infilling comprising lime mud, calcite cement and relatively large, radially arranged, siliceous crystals. 18-19, TL (18) and CL (19) images of nonluminescent associated with partially luminescent shell. 20, CL image showing the section of nonluminescent internal shell structure (spiralia) preserved within infilling (This structure is hardly recognized in the TL image). Abbreviations: bs, brachiopod shell; im, infilling material; sl, silicified layer; cc, calcite crystal; NL, nonluminescent; SL, slightly luminescent; L, luminescent.

opencc-by-4.0Aug 2024View details →

Supplementary material to: "Formation of low-pressure reaction textures during near-isothermal exhumation of hot orogenic crust (Bohemian Massif, Austria)"

Supplemantary material to "Sorger, D.,  Hauzenberger, C. A., Finger, F., Linner, M., Skrzypek, E., & Schorn, S. (2024). Formation of low-pressure reaction textures during near-isothermal exhumation of hot orogenic crust (Bohemian Massif, Austria). Journal of Metamorphic Geology, 42(1), 3–34."

opencc-by-4.0Mar 2021View details →

Confocal surface texture analysis included in the paper Paixao et al. 2021 - QI. (supplemental to SOM2)

This upload contains all final reports and data of the Confocal surface texture analysis done with ConfoMap and included in the paper Paixao et al. 2021. The Middle Paleolithic Ground Stones Tools of Nesher Ramla Unit V (Southern Levant): a multi-scale use-wear approach for assessing the assemblage functional variability. Quaternary International. (https://doi.org/10.1016/j.quaint.2021.06.009)   Pre-print: https://osf.io/gyvw8/   Instructions to download all files at once are given here: <a href="https://doi.org/10.5281/zenodo.4011952">https://doi.org/10.5281/zenodo.4011952</a>

opencc-by-4.0Dec 2020View details →

Text-fig. 3. Textures of main volcaniclastic deposits exposed in abandoned Ludvíkovice quarry. a: radial cracks surrounding some boulders (see arrows) in hot lahar deposit. b: jig-saw fit of fractures (see arrows) within a mega-block of debris-avalanche deposit. c: pseudo-fiamme texture of compacted argillized pumice-fall deposit. d: trachybasaltic lapilli-stone of phreato-magmatic eruption. e: palaeo-relief developed and buried within the pyroclastic unit. f: diagonal bedding in fluvial volcanigenic sandstones. g: diluted and fine-grained lahars embedded in volcanigenic sandstones. in A New Oligocene Flora From Ludvíkovice Near Děčín (České Středohoří Mts., The Czech Republic)

Text-fig. 3. Textures of main volcaniclastic deposits exposed in abandoned Ludvíkovice quarry. a: radial cracks surrounding some boulders (see arrows) in hot lahar deposit. b: jig-saw fit of fractures (see arrows) within a mega-block of debris-avalanche deposit. c: pseudo-fiamme texture of compacted argillized pumice-fall deposit. d: trachybasaltic lapilli-stone of phreato-magmatic eruption. e: palaeo-relief developed and buried within the pyroclastic unit. f: diagonal bedding in fluvial volcanigenic sandstones. g: diluted and fine-grained lahars embedded in volcanigenic sandstones.

Figure 17 in Growth and textural ageing in long bones of the American alligator Alligator mississippiensis (Crocodylia: Alligatoridae)

Figure 17. Histology of muted persistent coarse surfaces. A, attachment of m. puboischiofemoralis (FWC 40583, femur section b). B, fourth trochanter (FWC 40583, femur section b). Scale bars = 919 µm.

Figure 18 in Growth and textural ageing in long bones of the American alligator Alligator mississippiensis (Crocodylia: Alligatoridae)

Figure 18. Individual variation in surface pattern and growth in Lake Griffin alligators. A, overprinted etched and dotted porosity (FWC 40723, femur). B, mainly smooth surface with faint scattered dotted porosity (FWC 40583, femur). C, fibrolamellar zones underlying porous surface shown in A (FWC 40723, femur section c). D, lamellar zones underlying smooth surface shown in B (FWC 40583, femur section c). Scale bars: A, B = 1 cm; C, D = 919 µm.

Figure 16 in Growth and textural ageing in long bones of the American alligator Alligator mississippiensis (Crocodylia: Alligatoridae)

Figure 16. Histology of normal persistent coarse surfaces. A, Sharpey's fibres (arrows) visible as black thread-like structures beneath the bone surface (FWC LGS8, tibia section a). B, collateral ligament attachment site (FWC 40583, femur section e). C, fourth trochanter. Arrow indicates recently enclosed channel (FWC 40723, femur section b). D, attachment of m. puboischiofemoralis (FWC LGS1, femur section b). E, lateral (cranial) surface of deltopectoral crest (FWC 40723, humerus section b). F, humeral proximal cranial (ventral) surface. Arrows indicate recently enclosed channels (FWC 35119, humerus section a). Scale bars: A = 230 µm; B–F = 919 µm.

Figure 15. Histology underlying grossly smooth surface patterns. A in Growth and textural ageing in long bones of the American alligator Alligator mississippiensis (Crocodylia: Alligatoridae)

Figure 15. Histology underlying grossly smooth surface patterns. A, slight surface undulations (arrows) associated grossly with shallow dimples (FWC 40854, femur section b). B, smooth surface underlain by zone of lamellar bone (FWC 40583, humerus section c). C, smooth surface underlain by annulus. Arrows indicate annuli throughout cortex (FWC LGS8, tibia section d). Scale bars = 230 µm.

Figure 12 in Growth and textural ageing in long bones of the American alligator Alligator mississippiensis (Crocodylia: Alligatoridae)

Figure 12. Possible geographical effect on the relationships between bone texture type and femur length body-size proxy for wild individuals of known sex. A, femora of Florida animals. B, tibiae of Florida animals. C, humeri of Florida animals. D, tibiae of Everglades animals only. E, humeri of Everglades animals only.

Figure 14. Histology underlying porous surface patterns. A in Growth and textural ageing in long bones of the American alligator Alligator mississippiensis (Crocodylia: Alligatoridae)

Figure 14. Histology underlying porous surface patterns. A, zone of fibrolamellar bone underlying etched porous surface (FWC 40723, tibia section c). B, fibrolamellar zone with large radial channels (arrow) underlying surface with overprinted dotted and etched porosity (FWC 40723, femur section c). C, longitudinal channels underlying radiating fibrous region, with arrows indicating channels intersecting and recently incorporated into the bone surface (FWC LGS4, femur section d). D, channels in varying orientations underlying dotted porous surface (FWC LGS1, femur section c). E, zone of lamellar bone underlying dotted porous surface (FWC 40583, humerus section c). Scale bars = 230 µm.