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Esmeralda Member

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Journal Article
Published: 01 March 2014
Journal of Paleontology (2014) 88 (2): 263-268.
... within the Ediacaran portion of the Esmeralda Member of the Deep Spring Formation at Mt. Dunfee in Esmeralda County, Nevada. We interpret the fossil to be the thallus of a multicellular alga of uncertain division. EDS spectral analysis indicates that the exceptional preservation is not due...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 2006
AAPG Bulletin (2006) 90 (3): 307-319.
... and eolian sandstones of the Troncoso Member (Aptian), characterized by good porosities (15–17%) and permeability (50 md). To allow low gas-oil ratio oil production, horizontal wells have to be placed close to the oil-water contact. Traditionally, the field was developed by drilling a pilot well to test...
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Journal Article
Journal: Geology
Published: 12 August 2019
Geology (2019) 47 (10): 909-913.
...Lyle L. Nelson; Emily F. Smith Abstract Within the upper Ediacaran Esmeralda Member of the Deep Spring Formation in southeastern California, USA, an ∼3 m stratigraphic interval contains multiple clastic bedding surfaces with enigmatic, three-dimensionally preserved corrugated tubes (<60 cm...
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Journal Article
Journal: Geology
Published: 01 November 2016
Geology (2016) 44 (11): 911-914.
... Wutubus annularis interbedded with Cloudina shell beds. The upper of the two fossil horizons, in the Esmeralda Member of the Deep Spring Formation, contains Conotubus and occurs within the basal Cambrian negative carbon isotope excursion, establishing it as the youngest Ediacaran fossil assemblage...
Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2407(06)
... of hydrocarbons and the most prolific source rock in the Neuquén Basin. The next unit is the Mulichinco Formation, which corresponds to a sandy platform deposit ( Zavala, 2000 ). A new transgressive sequence, corresponding to the Agrio Formation, overlies it. The intercalated Avilé Member represents a sea-level...
Journal Article
Published: 01 October 2007
The Canadian Mineralogist (2007) 45 (5): 1263-1273.
...Daniel Atencio; Nikita V. Chukanov; José M.V. Coutinho; Luiz A.D. Menezes Filho; Viktor T. Dubinchuk; Steffen Möckel Abstract Ruifrancoite, Ca 2 (□,Mn 2+ ) 2 (Fe 3+ ,Mg,Mn 2+ ,Fe 2+ ,Al) 4 Be 4 (PO 4 ) 6 (OH) 4 (OH,H 2 O) 2 ·4H 2 O, monoclinic, is a newly recognized member of the roscherite group...
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Series: GSA Field Guide
Published: 01 January 2008
DOI: 10.1130/2008.fld011(04)
EISBN: 9780813756110
...) the Montenegro Member of the Campito Formation, (3) the Lower Member of the Poleta Formation, and (4) the Harkless Formation ( Fig. 2 ). Of these four “reefy” intervals, the best-known and most thoroughly studied examples of three of them occur quite close to one another in Esmeralda County. The exception...
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Journal Article
Published: 01 May 2018
Journal of Paleontology (2018) 92 (S76): 1-44.
..., Esmeralda County, Nevada, USA. Figure 2. Stratigraphic sections of the lower member of the Emigrant Formation at the Split Mountain West and East sections and detailed stratigraphic section of a hand excavated trench at the lowermost portion of the Glossopleura walcotti / Ptychagnostus...
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Journal Article
Published: 01 September 2019
Journal of Paleontology (2019) 93 (5): 971-1000.
... The fishes described below were found in the Candelaria Hills, a low mountain range situated south of the long-abandoned mining boom town of Candelaria (Mineral County, Nevada, USA; Fig. 1 ). To the east, the Candelaria Hills extend into Esmeralda County of Nevada. The present material was collected from...
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Journal Article
Published: 01 July 2006
Journal of Paleontology (2006) 80 (4): 609-615.
... formations and trilobite biozones of the Esmeralda County, Nevada, region, and detailed stratigraphic column of the coral-bearing archaeocyathan reefs (S2). Older archaeocyathan reefs in the Montenegro Member of the Campito Formation, Lower Poleta Formation, and lower part of the Harkless Formation...
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Journal Article
Journal: Palynology
Published: 01 June 2012
Palynology (2012) 36 (Suppl_1): 96-111.
...Guillermo Rodríguez-Forero; Francisca E. Oboh-Ikuenobe; Carlos Jaramillo-Munoz; Milton J. Rueda-Serrano; Edwin Cadena-Rueda Abstract The palynology of the Eocene Esmeraldas Formation in the Middle Magdalena Valley Basin, Colombia was analyzed in order to constrain the age of the unit...
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Journal Article
Published: 26 June 2017
European Journal of Mineralogy (2017) 29 (5): 923-930.
.... Bill and Anne endowed the mineralogy chair at the Cleveland Museum of Natural History; they were founding members of the Mineralogical Society of Cleveland and also of the Micromineral Society of the Cleveland Museum of Natural History. Bill was a mineralogist and crystallographer (BA from Oberlin, MA...
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Journal Article
Published: 01 July 2004
American Mineralogist (2004) 89 (7): 1087-1091.
... FAPESP (Fundação de Amparo à Pesquisa do Estado de São Paulo) for financial support (process 2001/05171-0); Macro Ernesto Ciriotti, Peter Haas, Uwe Kolitsch, Lance E. Kearns and Chester S. Lemanski Jr. and the members of the Commission on New Minerals and Mineral Names of the International...
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Series: Geological Society, London, Special Publications
Published: 01 January 2005
DOI: 10.1144/GSL.SP.2005.252.01.03
EISBN: 9781862395008
... was also found in the area. Unconformities separate rotated packages of Lower Pliocene basal sequences from almost flat members corresponding to the same unit (Fig. 8 ). This situation is visible in the northern divide of the Picunleo valley, where a block has been rotated with N–S strike prior...
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Journal Article
Journal: AAPG Bulletin
Published: 01 December 2002
AAPG Bulletin (2002) 86 (12): 2069-2087.
... of the Umir Formation show two main sources of organic matter in competition, marine algal vs. higher plant. A detailed biomarker comparison of Santos-31 oil reservoired in the middle-upper Eocene Esmeralda and La Paz formations, sampled in a field located in the eastern area of the Middle Magdalena basin...
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Journal Article
Published: 01 September 2002
Journal of the Geological Society (2002) 159 (5): 577-594.
... along with oceanic plateau material (represented by the Piñon Unit and Pedernales–Esmeraldas sequences) during Eocene time. The development of island arcs, which separate the two accretionary events, implies that the most westerly (coastal) oceanic plateau sequences, both in Ecuador (Piñon...
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Journal Article
Published: 01 May 1986
Journal of Sedimentary Research (1986) 56 (3): 412-421.
...Debra A. Gevirtzman; Jeffrey F. Mount Abstract A pre-trilobite shelly fauna was recently discovered at Mt. Dunfee, near Gold Point in Esmeralda County, Nevada. These fossils occur in the lower to middle portions of the lower member of the Deep Spring formation, approximately 1,000 m below the first...
Journal Article
Journal: Geology
Published: 01 April 1983
Geology (1983) 11 (4): 224-226.
...Jeffrey F. Mount; Debra A. Gevirtzman; Philip W. Signer, III Abstract An assemblage of shelly fossils has been discovered in the Lower Member of the Deep Spring Formation in Esmeralda County, Nevada. Preliminary taxonomic analysis suggests that the fossils consist of a variety of hyoliths...
Journal Article
Journal: PALAIOS
Published: 01 March 2011
PALAIOS (2011) 26 (3): 160-172.
...GIORGIO CARNEVALE; WALTER LANDINI; LUCA RAGAINI; CLAUDIO DI CELMA; GINO CANTALAMESSA Abstract The early Pliocene sediments of the Súa Member (Onzole Formation) are spectacularly exposed along coastal cliffs in the surroundings of Súa (northwestern Ecuador). The shellbed at the base...
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Journal Article
Journal: PALAIOS
Published: 01 September 2013
PALAIOS (2013) 28 (9): 637-648.
...RAQUEL ROBLES-SALCEDO; GONZALO RIVAS; VICENT VICEDO; ESMERALDA CAUS Abstract This study examines the distribution of larger foraminifera in an upper Campanian–lower Maastrichtian siliciclastic–carbonate depositional environment within the Arén Sandstone Formation. Three assemblages have been...
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