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Fig. 12 in Geology And Paleontology Of The Upper John Day Beds, John River Valley, Oregon: Lithostratigraphic And Biochronologic Revision In The Haystack Valley And Kimberly Areas (Kimberly And Mt. Misery Quadrangles)

Fig. 12. Debris flows characterize Rose Creek Member outcrops along the east wall of the John Day valley south of Kimberly, at Sutton Mountain, and at Balm Creek. Rounded clasts of welded tuff derived from the Picture Gorge ignimbrite, vitric tuff from subjacent John Day units, and clasts of Deep Creek tuff, are supported in a finegrained tuffaceous matrix. Masses of watersaturated volcanic ash moved downslope into stream courses where fluvial gravels were incorporated and deposited as local debris lenses.

Fig. 11 in Geology And Paleontology Of The Upper John Day Beds, John River Valley, Oregon: Lithostratigraphic And Biochronologic Revision In The Haystack Valley And Kimberly Areas (Kimberly And Mt. Misery Quadrangles)

Fig. 11. The Rose Creek Member at the early Hemingfordian mammal locality Picture Gorge 36. Coarse polymictic gravels, sands, and overlying tuffaceous sediments of the Rose Creek Member (rc) incise the Kimberly Member gray tuffs (k). Dashed white line marks the contact between the two units.

Fig. 18 in Geology And Paleontology Of The Upper John Day Beds, John River Valley, Oregon: Lithostratigraphic And Biochronologic Revision In The Haystack Valley And Kimberly Areas (Kimberly And Mt. Misery Quadrangles)

Fig. 18. The Great Plains oreodont Merycochoerus from the Childs Frick collection of the American Museum of Natural History provides biochronologic control for the occurrence of this indicator taxon in the upper John Day Formation, Oregon. Because many upper John Day taxa are represented by few individuals, the larger Frick samples of Arikareean/Hemingfordian mammals are critical to accurate age assessment. The graph measures the progressive fusion and posterior extension of the premaxillae in time, most likely related to ongoing development of a tapirlike proboscis in this large oreodont. The triangle labelled ''Rose Creek'' refers to UCMP 76848 from Picture Gorge 36.

Fig. 17 in Geology And Paleontology Of The Upper John Day Beds, John River Valley, Oregon: Lithostratigraphic And Biochronologic Revision In The Haystack Valley And Kimberly Areas (Kimberly And Mt. Misery Quadrangles)

Fig. 17. Uppermost rock units of the John Day Formation at Sutton Mountain, Wheeler Co., Oregon. These exposures along the southern face of Sutton Mountain demonstrate the superposition of the Rose Creek Member on the Johnson Canyon Member (''Unit D'') in the N½, sec. 33, T10S, R21E, Sutton Mountain 7.5 min. quadrangle, in an area where Hay (1963: figs. 2, 4, section 11) also measured one of his thickest sections of upper John Day rocks.

Fig. 19 in Geology And Paleontology Of The Upper John Day Beds, John River Valley, Oregon: Lithostratigraphic And Biochronologic Revision In The Haystack Valley And Kimberly Areas (Kimberly And Mt. Misery Quadrangles)

Fig. 19. Structural trends south of the Blue Mountains in the eastern subregion along the course of the John Day River (modified from Fisher, 1967). Upper John Day rocks east of Spray in Haystack Valley (Haystack Valley Member [revised] and Balm Creek Member) west of the Richmond fault differ from upper John Day rocks east of the fault in the vicinity of Kimberly (Johnson Canyon Member superposed on Kimberly Member). In both areas and at Sutton Mountain, however, the Rose Creek Member unconformably overlies and incises all of these upper John Day units and is the terminal member of the John Day Formation in the region.

FIG. 10 in A new specimen of the ornithischian dinosaur Haya griva, cross-Gobi geologic correlation, and the age of the Zos Canyon beds

FIG. 10. Looking south from the base of the Zos Canyon section. The arrow indicates the Red Rum sublocality.

FIG. 9. B in A new specimen of the ornithischian dinosaur Haya griva, cross-Gobi geologic correlation, and the age of the Zos Canyon beds

FIG. 9. B. Shared diagnostic character (6) a shallow depression along the midline nasal suture anterior to the orbits on the dorsal surface of the skull.

FIG. 9. A in A new specimen of the ornithischian dinosaur Haya griva, cross-Gobi geologic correlation, and the age of the Zos Canyon beds

FIG. 9. A. Comparison of IGM 100/3181 (top) with the holotype of Haya griva (IGM 100/2017, bottom). Shared diagnostic characters (Makovicky et al., 2011) are: (1) homodont unserrated premaxillary teeth, (2) the lack of a rugose rhamphothecal pad on the anterior surface of the premaxilla, (3) the presence of a triangular maxillary fenestra, (4) a jugal with a bifurcated (forklike) posterior ramus where it abuts the quadratojugal, (5) the presence of a quadratojugal foramen.

FIG. 4. A in A new specimen of the ornithischian dinosaur Haya griva, cross-Gobi geologic correlation, and the age of the Zos Canyon beds

FIG. 4. A. Premaxillary tooth of IGM 100/3181 in mesial and distal views. Its precise orientation cannot be determined as it was found as float during preparation. B. Cheek tooth of IGM 100/3181. Its precise orientation cannot be determined as it was found as float during preparation, and is compatible with the morphology of both upper and lower teeth of referred Haya specimens.

FIG. 3 in A new specimen of the ornithischian dinosaur Haya griva, cross-Gobi geologic correlation, and the age of the Zos Canyon beds

FIG. 3. The left side of the cranium of IGM 100/3181, with interpretive drawing. Abbreviations are listed in appendix 1.

FIG. 1 in A new specimen of the ornithischian dinosaur Haya griva, cross-Gobi geologic correlation, and the age of the Zos Canyon beds

FIG. 1. Map of Mongolia showing the relative positions of the Javkhlant Formation exposures and Zos Canyon beds (near Ukhaa Tolgod). Zos Canyon is 7 km northwest of the Ukhaa Tolgod locality. See Pol and Norell (2004a: fig. 1) for detail.

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.

opencc-by-4.0Dec 2016View details →

Text-fig. 2. A – First small excavation trench in the newly discovered fossiliferous outcrop area of the Ploužnice lake horizon, locality "Small Ravine" south of the village Ploužnice on the slope of road No. 286. Typical are the red, violet and varicoloured tuffaceous siltstones. Semily Formation, Late Stephanian, Krkonoše Piedmont Basin. B – Basal part of fossiliferous 12 cm to14 cm thick reddish to purple-red tuffaceous siltstone bed from the trench in Text-fig. 2A. Internal bedding is expressed as horizontal but with diffuse changes in grain size from fine silt to coarse, fine sandy silt. Intercalated in places are 3 to 5 mm thick layers (indicated by arrows) with patchy concentrations of isolated fish remains, especially in the first 3 centimetres of this siltstone layer. The large white spot at 2.5 cm is a coprolite fragment. in Fossil Fauna And Flora Of A Re-Discovered Locality In The Late Carboniferous Ploužnice Horizon Of The Krkonoše Piedmont Basin, Bohemian Massif

Text-fig. 2. A – First small excavation trench in the newly discovered fossiliferous outcrop area of the Ploužnice lake horizon, locality "Small Ravine" south of the village Ploužnice on the slope of road No. 286. Typical are the red, violet and varicoloured tuffaceous siltstones. Semily Formation, Late Stephanian, Krkonoše Piedmont Basin. B – Basal part of fossiliferous 12 cm to14 cm thick reddish to purple-red tuffaceous siltstone bed from the trench in Text-fig. 2A. Internal bedding is expressed as horizontal but with diffuse changes in grain size from fine silt to coarse, fine sandy silt. Intercalated in places are 3 to 5 mm thick layers (indicated by arrows) with patchy concentrations of isolated fish remains, especially in the first 3 centimetres of this siltstone layer. The large white spot at 2.5 cm is a coprolite fragment.

Text-fig. 5. Upper part of the stratigraphic section at the Omanitherium type locality. B–D correspond to the beds identified in the stratigraphic section (Text-fig. 3). The workers are excavating at the type locality. in Large Mammals From The Rupelian Of Oman - Recent Finds

Text-fig. 5. Upper part of the stratigraphic section at the Omanitherium type locality. B–D correspond to the beds identified in the stratigraphic section (Text-fig. 3). The workers are excavating at the type locality.

Text-fig. 7. Steinkerns of the land snail Arabicolaria omanensis eroding from indurated dark green-brown sands of Bed C above the Omanitherium type locality (the pen is 14.5 cm long). in Large Mammals From The Rupelian Of Oman - Recent Finds

Text-fig. 7. Steinkerns of the land snail Arabicolaria omanensis eroding from indurated dark green-brown sands of Bed C above the Omanitherium type locality (the pen is 14.5 cm long).

Text-fig. 6. Shells of the sinistral, flat-topped, freshwater ampullariid Carnevalea thaytinitiensis in indurated sandy marl, Bed A in the stratigraphic section (the pen is 14.5 cm long). in Large Mammals From The Rupelian Of Oman - Recent Finds

Text-fig. 6. Shells of the sinistral, flat-topped, freshwater ampullariid Carnevalea thaytinitiensis in indurated sandy marl, Bed A in the stratigraphic section (the pen is 14.5 cm long).

Text-fig. 4. Measured section at the Omanitherium type locality. A–D are indurated beds highlighted in the stratigraphic section (figure seated on outcrop B provides a scale) (see Text-fig. 3). in Large Mammals From The Rupelian Of Oman - Recent Finds

Text-fig. 4. Measured section at the Omanitherium type locality. A–D are indurated beds highlighted in the stratigraphic section (figure seated on outcrop B provides a scale) (see Text-fig. 3).

Text-fig. 3. Stratigraphic section through part of the Ashawq Formation at the Omanitherium type locality, Dhofar Governorate, Oman. Beds A–D are indurated cliff-forming strata identified in the accompanying field photographs (Textfigs 4, 5). Note the increase in marine influence as one ascends through the section, the fauna in Beds A and B being dominated by freshwater molluscs and land snails, with few brackish water specimens, whereas the biota in Bed D is frankly marine with a single specimen of the freshwater snail Pila. Bed C yielded Vermetus, oysters and sponges, but also contains abundant land snails and a low diversity of freshwater gastropods. in Large Mammals From The Rupelian Of Oman - Recent Finds

Text-fig. 3. Stratigraphic section through part of the Ashawq Formation at the Omanitherium type locality, Dhofar Governorate, Oman. Beds A–D are indurated cliff-forming strata identified in the accompanying field photographs (Textfigs 4, 5). Note the increase in marine influence as one ascends through the section, the fauna in Beds A and B being dominated by freshwater molluscs and land snails, with few brackish water specimens, whereas the biota in Bed D is frankly marine with a single specimen of the freshwater snail Pila. Bed C yielded Vermetus, oysters and sponges, but also contains abundant land snails and a low diversity of freshwater gastropods.

opencc-by-4.0Aug 2019View details →

Text-fig. 6. a. Vertical section showing part of body-chamber of a Cenoceras in the top of the Main Cenoceras Bed associated with attached oysters below and stringers of crinoid debris below and stretching laterally. Coin 23 mm in diameter. b. Complete lateral half of conch showing intact and elastically deformed septa on which rests crinoid debris that spreads across the exposed septa and onto the adjacent substrate. Conch approximately 180 mm in diameter. c. Individual showing dispersed crinoid and molluscan debris within body-chamber and septa in the crushed inner whorls that have taken a sparite cement prior to, and after having undergone brittle deformation. 160 mm in diameter. d. Vertically embedded specimen showing the loss of septa in the inner whorls that are infilled with matrix mottled by bioturbation. Tape measure provides scale. in 'Cenoceras Islands' In The Blue Lias Formation (Lower Jurassic) Of West Somerset, Uk: Nautilid Dominance And Influence On Benthic Faunas

Text-fig. 6. a. Vertical section showing part of body-chamber of a Cenoceras in the top of the Main Cenoceras Bed associated with attached oysters below and stringers of crinoid debris below and stretching laterally. Coin 23 mm in diameter. b. Complete lateral half of conch showing intact and elastically deformed septa on which rests crinoid debris that spreads across the exposed septa and onto the adjacent substrate. Conch approximately 180 mm in diameter. c. Individual showing dispersed crinoid and molluscan debris within body-chamber and septa in the crushed inner whorls that have taken a sparite cement prior to, and after having undergone brittle deformation. 160 mm in diameter. d. Vertically embedded specimen showing the loss of septa in the inner whorls that are infilled with matrix mottled by bioturbation. Tape measure provides scale.