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Buckhorn Asphalt

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Journal Article
Journal: PALAIOS
Published: 09 October 2018
PALAIOS (2018) 33 (10): 451-463.
...MICHAEL J. VENDRASCO; ANTONIO G. CHECA; RICHARD L. SQUIRES; CARLOS M. PINA Abstract Nanoscale details of original aragonite crystals and organic inclusions are preserved in shells from the Pennsylvanian Buckhorn Asphalt of Oklahoma, USA. Exceptional preservation occurred because, either during...
FIGURES | View All (9)
Series: Geological Society, London, Special Publications
Published: 01 January 2000
DOI: 10.1144/GSL.SP.2000.177.01.18
EISBN: 9781862394254
... Abstract Unusual Pennsylvanian bivalves recovered from the Buckhorn Asphalt Quarry of south-central Oklahoma are members of the Order Praecardioida, Family Lunulacardiidae. This is the youngest occurrence of praecardioids in North America. These praecardioids have an ontogeny characterized...
FIGURES | View All (6)
Journal Article
Published: 01 January 1991
Journal of Sedimentary Research (1991) 61 (1): 28-42.
... diagenesis resulted from the effects of interstitial asphalt which formed as a result of intraformational biodegradation of Oil Creek oil. Stratigraphic variation in petrologic characteristics suggests that oil introduction into Dry Branch sediments occurred as a single event within 10,000 years...
Journal Article
Published: 01 March 1976
Journal of Paleontology (1976) 50 (2): 349-350.
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Location and stratigraphic overview of the <b>Buckhorn</b> <b>Asphalt</b> Quarry (BAQ) fr...
in > PALAIOS
Published: 09 October 2018
Fig. 1.— Location and stratigraphic overview of the Buckhorn Asphalt Quarry (BAQ) from which the fossils herein were extracted. A ) Broad regional context of the Arbuckle Mountains showing principal structural features and location of the BAQ. B ) Close-up view of the Buckhorn Asphalt region
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Structural context and details of stratigraphy of the <b>Buckhorn</b> <b>Asphalt</b> Quar...
in > PALAIOS
Published: 09 October 2018
Fig. 2.— Structural context and details of stratigraphy of the Buckhorn Asphalt Quarry (BAQ). A ) Geologic map of the region around the BAQ. Extensive conglomerate bed marks the unconformity between the Deese Group and overlying Vanoss Formation, corresponding to the top of Figure 1 C. Larger
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SEM images of gastropods from the <b>Buckhorn</b> <b>Asphalt</b>.  A – C ,   Trachydoma  ...
in > PALAIOS
Published: 09 October 2018
Fig. 5.— SEM images of gastropods from the Buckhorn Asphalt. A – C , Trachydoma sp., LACMIP 14782, broken, sub-tangential sectional surface. D , E ) Microdoma ? sp., LACMIP 14783, showing a combination of both nacre (top of D) and crossed lamellar (mid to lower part of D) microstructures
Image
Figure 1.  Lophophyllidium  sp., <b>Buckhorn</b> <b>asphalt</b> (Desmoinesian, Oklahoma)....
in > Geology
Published: 01 May 2002
Figure 1. Lophophyllidium sp., Buckhorn asphalt (Desmoinesian, Oklahoma). A: Thin- section photomicrograph of septa showing zigzag microstructure; cross-polarized light. Outer edge of wall is on lower left. Scale bar represents 500 μm. B: Superprobe elemental abundance map showing Mg enrichment
Journal Article
Published: 01 January 2003
Journal of Paleontology (2003) 77 (1): 16-30.
... Formation of Arkansas, the Pennsylvanian Buckhorn asphalt of Oklahoma and Pennsylvanian Kendrick Shale of Kentucky all indicate that magnesium content in skeletal calcite of the corals was elevated, with a maximum in the neighborhood of six to eight mole percent CaCO 3 , thereby forming intermediate...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 1985
AAPG Bulletin (1985) 69 (2): 286.
... of aragonite deposits used as hydrodynamic devices reflect the genetically controlled physiology of the animal. Data on cameral and siphuncular deposits (hydrodynamic devices) of Pennsylvanian (Desmoinesian/Westphalian C) orthocones from the Boggy Formation (= Buckhorn asphalt) of southern Oklahoma provide...
Journal Article
Published: 01 March 1982
Journal of Sedimentary Research (1982) 52 (1): 59-70.
...David F. Blake; Donald R. Peacor; Bruce H. Wilkinson Abstract Middle Pennsylvanian fossils from the Buckhorn Asphalt quarry of Southern Oklahoma are unusual in that early sealing by tar has preserved many of their original textural and mineralogic features and those of the earliest stages...
Series: AAPG Memoir
Published: 01 January 2003
DOI: 10.1306/M77973
EISBN: 9781629810041
... of twinning, or by staining. Since they are replacements, they also commonly contain inclusions of the original carbonate material, as in this example. XPL, HA = 0.36 mm Pennsylvanian Buckhorn Asphalt, Murray Co., Oklahoma An asphalt-impregnated limestone — the brownish color and pervasive...
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Figure  6 —Protoconch of  Girtyspira minuta  ( Stevens, 1858 ) from  Bandel...
Published: 01 November 2005
Figure 6 —Protoconch of Girtyspira minuta ( Stevens, 1858 ) from Bandel et al. (2002 , pl. 13, fig. 126) (SMF XII/10–3556); Pennsylvanian Buckhorn Asphalt deposit, Oklahoma; scale bar 0.1 mm; protoconch ends abruptly at faint, oblique, prosocline suture
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Figure  3 —Microprobe maps of specimen O.U. 7178,  Lophophyllidium  sp., fr...
Published: 01 January 2003
Figure 3 —Microprobe maps of specimen O.U. 7178, Lophophyllidium sp., from the Buckhorn asphalt. 1, ×30, distribution of Mg shown, with brighter areas indicating higher concentrations; 2, ×30, distribution of S, indicating presence of asphalt within interseptal spaces. Note that fracturing
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Results from Electron Backscatter Diffraction (EBSD) analysis of nacre with...
in > PALAIOS
Published: 09 October 2018
Fig. 8.— Results from Electron Backscatter Diffraction (EBSD) analysis of nacre within the orthocerid cephalopod LACMIP 14793 from the Buckhorn Asphalt. A–D and E–H represent distinct regions of the inner surface of the shell wall. Rectangle in C shows the region that was analyzed via EBSD
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Figure  2 —Carboniferous  Orthonema  Meek and Worthen, 1862  in comparison ...
Published: 01 November 2005
Figure 2 —Carboniferous Orthonema Meek and Worthen, 1862 in comparison with Recent “basal” caenogastropods; scale bars 0.1 mm; 1, 2, Orthonema sp., Pennsylvanian, Buckhorn Asphalt deposit, Oklahoma (from Bandel et al., 2002 , pl. 11, figs. 108, 109); 3–6, Recent basal caenogastropods
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Figure  1 — 1–4 ,  Lophophyllidium  sp., O.U. 8178, the single specimen col...
Published: 01 January 2003
Figure 1 — 1–4 , Lophophyllidium sp., O.U. 8178, the single specimen collected thus far from the Buckhorn asphalt deposit of the Deese Group, collector unknown. 1, ×15, plane polarized; partial overview, with septa broken during compaction and dark, asphaltic sediments filling interseptal
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Scanning Electron Microscopy (SEM) images of pteriomorph bivalves from the ...
in > PALAIOS
Published: 09 October 2018
Fig. 4.— Scanning Electron Microscopy (SEM) images of pteriomorph bivalves from the Buckhorn Asphalt. Lineations representing the crystallographic a -axis of aragonite are visible in many of the photos. A , G , H ) LACMIP 14786, views of fractured outer shell surface. B ) LACMIP 14787, view
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Atomic Force Microscopy (AFM) images of an orthocerid cephalopod (A–H), a p...
in > PALAIOS
Published: 09 October 2018
Fig. 9.— Atomic Force Microscopy (AFM) images of an orthocerid cephalopod (A–H), a pteriomorph bivalve (I–M, P–Q), and the gastropod Anomphalus sp. (N–O) from the Buckhorn Asphalt. All images were taken in air by recording height, amplitude, and phase AFM signals. A, B, F, I, L, and M
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Scanning electron microscope images of cephalopod shell microstructures fro...
in > PALAIOS
Published: 09 October 2018
Fig. 3.— Scanning electron microscope images of cephalopod shell microstructures from the Buckhorn Asphalt. A , D , G – K ) Orthocerid, LACMIP 14778: A, fractured outer surface of shell wall, sub-horizontal section; D, I–K, SEM views of inner surface of shell wall; G, from septum, looking