1-20 OF 75 RESULTS FOR

Gasconade Formation

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 01 July 2004
Journal of Paleontology (2004) 78 (4): 675-689.
... mattheviid, Eukteanochiton milleri new genus and species, and a preacanthochitonid, Orthriochiton utahensis new genus and species. Robustum from the Early Ordovician Gasconade Formation of Missouri is herein reinterpreted as a septemchitonid chiton, and Hemithecella , from the Late Cambrian-Early Ordovician...
FIGURES | View All (13)
Image
—Isopach map of Oneota <b>formation</b> (<b>Gasconade</b>-Van Buren).
Published: 01 November 1948
Fig. 10. —Isopach map of Oneota formation (Gasconade-Van Buren).
Journal Article
Published: 01 May 2003
Journal of Sedimentary Research (2003) 73 (3): 421-433.
... and Cotter dolomites from the underlying Gasconade and Roubidoux formations. Mixed carbonate-siliciclastic sedimentation characterizes the Roubidoux Formation, with sandstones accounting for up to 60% of sedimentation. The Gasconade, Jefferson City, and Cotter dolomites exhibit an increased occurrence...
FIGURES | View All (12)
Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2404(04)
... the Potosi Dolomite and younger strata are exposed in the study area. Lead and zinc deposits locally occur in the Cambrian Bonneterre Formation in the subsurface. All of these strata dip gently to the east and southeast. Karst features mainly occur in the Eminence and Gasconade Dolomites, and the Roubidoux...
Image
Fig. 1.—<b>Gasconade</b> dolomite, depth 55-60 feet. Dull white, massive chert.  F...
Published: 01 September 1944
PLATE I Fig. 1.—Gasconade dolomite, depth 55-60 feet. Dull white, massive chert. Fig. 2.—Van Buren formation, depth 175-180 feet. Dull white, massive coarsely dolocastic chert. Fig. 3.—Eminence dolomite, depth 290-295 feet. White, dense, finely oölitic chert and white, porous granular chert
Journal Article
Journal: AAPG Bulletin
Published: 01 May 1941
AAPG Bulletin (1941) 25 (5): 934-935.
...Taylor Cole Various portions of the Ellenburger (Cambro-Ordovician) formation have been penetrated throughout the West Texas area bounded by Latitude 32° and 30° and Longitude 101° and 103°. The formation consists of fine to coarsely crystalline dolomites and dense limestones. These lithologic...
Journal Article
Journal: GSA Bulletin
Published: 01 January 1954
GSA Bulletin (1954) 65 (1): 71-96.
... is the existence of beds younger than Gasconade (Lower Canadian) age lying south of the Adirondack Mountains. The name Tribes Hill is restricted to the limestone phase of the Lower Canadian, and the formation has profitably been subdivided into the Fort Johnson, Palatine Bridge, Wolf Hollow, and Fonda members...
Series: GSA Special Papers
Published: 01 January 1938
DOI: 10.1130/SPE13-p23
..., four of them (Honey Creek, Fort Sill, Royer dolomite, and Signal Mountain) being of Upper Cambrian age; four of them (Chapman Ranch formation, McKenzie Hill limestone, Wolf Creek dolomite, and Gasconade) being of Ozarkian age; and the remaining four beginning with an otherwise unnamed Lower Canadian...
Series: GSA Memoirs
Published: 01 March 1957
DOI: 10.1130/MEM68-p1
... The Lower Ordovician series of the Great Valley area of western Maryland is made up of about 3600 feet of carbonate strata, divisible into three formations comprising the Beekmantown group. The Stonehenge limestone lies at the base of the group and is correlated with the Gasconade dolomite...
.... Strata of the Sauk megasequence in southern Missouri include, in ascending order, the Cambrian Lamotte Sandstone, Bonneterre Dolomite, Davis Formation, Derby-Doerun Dolomite, Potosi Dolomite, and Eminence Dolomite, which are overlain by the Ordovician Gasconade Dolomite, Roubidoux Formation, Jefferson...
FIGURES | View All (6)
... in Minnesota and Wisconsin ( Runkel et al., 2007 ), the Gunter Sandstone Member at the base of the Gasconade Dolomite in the Ozarks region ( Kurtz, 1981 ; Thompson, 1991 ), and the unconformity at the base of the Garden City Formation in Utah and Idaho ( Taylor and Repetski, 1985 ) all seem to indicate...
FIGURES | View All (22)
Journal Article
Journal: AAPG Bulletin
Published: 01 August 1942
AAPG Bulletin (1942) 26 (8): 1398-1409.
... Missouri equivalents: Cotter, Jefferson City, Roubidoux, Gasconade, Eminence, Potosi. Leo Hendricks 7 and M. G. Cheney 8 have studied insoluble residues of the formation obtained both from surface outcrops and well cuttings in the north and central Texas areas. The writer’s work...
FIGURES | View All (6)
Journal Article
Published: 09 May 2008
Geological Magazine (2008) 145 (4): 490-520.
...BJÖRN KRÖGER; ED LANDING Abstract The Rochdale Formation of eastern New York (= Fort Ann and lower Bascom formations, designations abandoned) is now recognized to record the earliest stages of the Great Ordovician Radiation of cephalopods. The earliest Bassleroceratidae, Tarphyceratidae...
FIGURES | View All (15)
Journal Article
Published: 01 September 2007
Journal of Paleontology (2007) 81 (5): 841-857.
...BJÖRN KRÖGER; ED LANDING Abstract The Tribes Hill Formation (upper Skullrockian) of New York records the earliest Ordovician diversification of cephalopods, in particular ellesmerocerids, on the east Laurentian, shallow carbonate platform. Revision of this cephalopod fauna on the basis...
FIGURES | View All (8)
Image
Type I cycles:  A)  An intraclastic ooid grainstone base overlain by large ...
Published: 01 May 2003
Figure 4 Type I cycles: A) An intraclastic ooid grainstone base overlain by large LLH stromatolites with excellently developed fenestrae, and capped by tidal-flat laminite. Gasconade Formation, Jerome outcrop. B) A series of type I cycles. From a distance the cycles can be resolved, because
... to be localized and to exhibit thin sequences, and by marked physical similarity of several of the recognized formations. Calcareous fossils are sparse as a result of pervasive dolomitization. For example, Cullison (1944) reported and illustrated Or-dovician fossils from southern Missouri and northern Arkansas...
FIGURES | View All (10)
Journal Article
Published: 01 January 2003
Journal of Paleontology (2003) 77 (1): 78-98.
... ( Ethington et al., 1987 ) with maximum shoaling into the Rockdale Run Formation ( Brezinski et al., 1999 ). Abrupt replacement of the R. manitouensis Zone by the “low diversity interval” occurs across southern and northern Laurentia: in the Gasconade Formation of Missouri ( Repetski et al., 1998...
FIGURES | View All (12)
Journal Article
Journal: PALAIOS
Published: 01 June 2006
PALAIOS (2006) 21 (3): 227-237.
... in such rocks in the Blue Earth Siltstone of south-central Minnesota and in the Gasconade Formation of central Missouri ( Repetski et al., 1993 ), as well as the Tribes Hill Formation in east-central New York ( Landing et al., 1996 ). The conodonts reported herein are additional evidence that this fauna...
FIGURES
Image
A)  Laterally linked hemispheroid (LLH) stromatolite facies. Continuous lam...
Published: 01 May 2003
Figure 3 A) Laterally linked hemispheroid (LLH) stromatolite facies. Continuous laminae extend between adjacent stromatolites. Gasconade Formation, Jerome outcrop. B) Wavy-bedded peloidal wackestone facies. This facies is usually present in blue-gray to tan, fine-medium grained dolomite
Image
Fischer plots of the Missouri Ozarks strata. Section locations are shown in...
Published: 01 May 2003
Figure 9 Fischer plots of the Missouri Ozarks strata. Section locations are shown in Figure 1 . The left border is the top of the Gunter Sandstone Member of the Gasconade Formation, and the right border is the top of the Lower Ordovician. Tie lines indicate the approximate boundaries