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Tinu Formation

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Journal Article
Published: 01 May 1968
Journal of Paleontology (1968) 42 (3): 804–810.
Journal Article
Journal: Geology
Published: 01 June 2010
Geology (2010) 38 (6): 547–550.
...Ed Landing; Adam English; John D. Keppie Abstract Exquisite Pywackia baileyi Landing n. gen. and sp. specimens from the lower Tiñu Formation, southern Mexico, extend the bryozoan record into the Upper Cambrian. They are ∼8 m.y. older than the purported oldest bryozoans from South China, and show...
FIGURES
Journal Article
Published: 01 May 1968
Journal of Paleontology (1968) 42 (3): 767–800.
...Richard A. Robison; Jerjes Pantoja-Alor Abstract Five new genera, 22 new species, new olenid subfamily (Plicatolininae), lower Tinu formation, upper Cambrian-lower Ordovician, southern Mexico GeoRef, Copyright 2004, American Geological Institute. Reference includes data from Bibliography...
Journal Article
Published: 01 May 1968
Journal of Paleontology (1968) 42 (3): 801–803.
...Ellis L. Yochelson Abstract Eobucania mexicana n. sp. (gastropod), indeterminate bellerophontacean gastropod, numerous specimens of pelagiellacian, poorly preserved hyolithids, Tinu formation, upper Cambrian-lower Ordovician, southern Mexico GeoRef, Copyright 2004, American Geological Institute...
Journal Article
Journal: The Leading Edge
Published: 01 December 2010
The Leading Edge (2010) 29 (12): 1464–1469.
...Mike Miller; Keith Shanley Abstract Unconventional gas resources con-tinue to be a growing part of the total gas production in the United States and have captured the interest of energy firms around the world. Unconventional resources comprise three major categories; tight-gas sand-stones (low...
FIGURES | View All (8)
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PYWACKIA BAILEYI  N. GEN. AND SP., UPPER CAMBRIAN  CORDYLODUS ANDRESI  ZONE...
in > Geology
Published: 01 June 2010
TABLE 1. PYWACKIA BAILEYI N. GEN. AND SP., UPPER CAMBRIAN CORDYLODUS ANDRESI ZONE, LOWER TIÑU FORMATION, RÍO SALINAS SECTION, OAXACA STATE, SOUTHERN MEXICO
Journal Article
Published: 01 January 1978
Journal of the Geological Society (1978) 135 (1): 153–156.
...B. A. Duff Abstract A whole-rock Rb-Sr isochron age of 533±16Ma determined for the Jersey Andesite Formation is interpreted as the age of crystallization, and suggests that Upper Brioverian sedimentation continued into the Cambrian. It provides a maximum age limit of Middle Cambrian for the late...
Journal Article
Published: 01 September 2014
Journal of Paleontology (2014) 88 (5): 982–1018.
... by Robison and Pantoja-Alor (1968) from the lower member (uppermost Cambrian) of the Tiňu Formation of southern Mexico, in overall proportions and degree of glabellar tapering. However, the Mexican specimens have a straight transglabellar furrow (F3), while the Greenland cephala have a gently posteriorly...
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Journal Article
Published: 01 September 1992
Journal of the Geological Society (1992) 149 (5): 829–840.
.... J. Sheridan R. E. Talwani M. Hay W. Ryan W. B. F. Mesozoic and Cenozoic sedimentary formation of the North American basin; western North Atlantic Deep Drilling Results in the Atlantic Ocean: Continental margins and paleoenvironmeni 1979 3 1 57 American Geophysical Union...
Journal Article
Published: 01 January 1978
Journal of the Geological Society (1978) 135 (1): 73–82.
...J. B. Blanche; J. H. Mc D. Whitaker Abstract Sandstone cores from the Brent Sand Formation were studied by petrographic and reflected light microscopy, cathodoluminescence, scanning electron microscopy and X-ray diffraction. Mineral abundances were obtained by point counting, and porosities...
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Stratigraphic distribution of  Pywackia baileyi  (indicated by X). Table
  ...
Published: 01 March 2015
sclerites, and originally phosphatic (proto- and euconodonts) remains. Samples from upper Cambrian Cordylodus andresi Zone, lower Tiñu Formation, lower Yudachica Member, Río Salinas section, Oaxaca State, southern Mexico. Number after hyphen (i.e., -1.9, -2.0, -4.3, -4.95) is meters
Series: AAPG Memoir
Published: 01 January 2003
DOI: 10.1306/M79877C21
EISBN: 9781629810546
... crinoids Cyclocaudex and Pentacrinus ( Morales and Ciomas, 1984 ). Limestone-bearing conglomerates in this region yielded the Permian fusulinids Shwagerina elkoensis and Boultina heezen . The Ixtaltepec Formation is overlain by the Tiñu Formation, and the basal contact is a shear zone between...
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Journal Article
Published: 09 August 2011
Geological Magazine (2012) 149 (1): 93–123.
...ED LANDING; JONATHAN M. ADRAIN; STEPHEN R. WESTROP; BJÖRN KRÖGER Abstract Slow subsidence and tectonic quiescence along the New York Promontory margin of Laurentia mean that the carbonate-dominated Tribes Hill and overlying Rochdale formations serve as proxies for the magnitude and timing...
Journal Article
Journal: Geosphere
Published: 21 November 2019
Geosphere (2019)
... to those at the distal Gypsum Valley diapir and infer local versus regional controls on their formation. The deposition of conglomerates within the Paradox Formation, now preserved as intrasalt inclusions in the center of Sinbad Valley, record early elevation of the Uncompahgre Uplift. Subsequent...
Journal Article
Journal: GSA Bulletin
Published: 31 December 2019
GSA Bulletin (2019)
... are poorly oriented in the stress field (≥60° from σ 1 ) and weak (low friction). In contrast, models for low-angle normal fault formation in isotropic rocks typically assume Coulomb failure and require inclined σ 1 (no misorientation). Here, a data-based, mechanical-tectonic model is presented for formation...
Journal Article
Published: 19 November 2010
Geological Magazine (2011) 148 (4): 529–557.
... Falls Formation in Washington County, New York, shows a typical ‘biomere’ extinction, with highest Sunwaptan trilobites followed by the abrupt appearance of Cordylodus proavus Zone conodonts and the lowest post-extinction trilobites ( Parakoldinioidia Endo) 5.0 m higher. This stage boundary interval...
Published: 06 October 2006
DOI: 10.1130/2006.fld008(06)
EISBN: 9780813756080
...-facies metamorphism, with on-going debate as to the extent of Taconian, Acadian, and Alleghanian contribution to the low-grade metamorphism and pervasive deformation. South of the Martic Line, AMCG lithologies are absent from the Mesoproterozoic gneisses. Paleozoic rocks of the Wissahickon Formation...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 2010
GSA Bulletin (2010) 122 (5-6): 815–829.
... ( Keppie et al., 2006 ); (I) Tiñú Formation of Oaxaquia ( Gillis et al., 2005 ); (J) Ediacaran-Cambrian formations of NW Iberia ( Gutiérrez-Alonso et al., 2003 ; Gutiérrez-Alonso et al., 2005 ); and (K) Suwannee basin of Florida ( Opdyke et al., 1987 ; Dallmeyer, 1987 ; Mueller et al., 1994 ). Scales...
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Time span of basement ages of early Paleozoic continents compared with rela...
Published: 01 May 2010
; (F–G) Santa Rosa Group of Chiapas, southern Mexico ( Weber et al., 2006 ); (H) Cosoltepec Formation of Mixteca terrane ( Keppie et al., 2006 ); (I) Tiñú Formation of Oaxaquia ( Gillis et al., 2005 ); (J) Ediacaran-Cambrian formations of NW Iberia ( Gutiérrez-Alonso et al., 2003 ; Gutiérrez-Alonso et
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Zooaria of the bryozoan  Pywackia baileyi  from the late Cambrian lower
   ...
Published: 01 May 2015
Figure 2 Zooaria of the bryozoan Pywackia baileyi from the late Cambrian lower Yudachica Member of the Tiñu Formation, section near Río Salinas, Oaxaca State, Mexico. Specimens from sample Tu-4.95 (Landing et al., 2007a, Table 1); scale bars 0.2 mm long