Gettysburg area

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Journal Article
Journal: GSA Bulletin
Published: 01 April 2003
GSA Bulletin (2003) 115 (4): 406–421.
... are in the northeastern part of the Newark remnant and in the interfan areas of the Culpeper and Gettysburg remnants. The Lockatong Formation in the Newark remnant overlies the Stockton Formation, underlies the Passaic Formation, and grades laterally into, and interfingers with, the Hammer Creek Formation. The gray...
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Journal Article
Journal: GSA Bulletin
Published: 01 January 1916
GSA Bulletin (1916) 27 (1): 623–644.
...GEORGE W. STOSE; J. VOLNEY LEWIS Abstract Distribution and Mode of Occurrence; by George W. Stose INTRODUCTION The area here described, and shown on the map (figure 1) covers the Fairfield, Gettysburg, and Carlisle quadrangles and the immediately adjacent region. These three quadrangles were...
Journal Article
Journal: GSA Bulletin
Published: 01 November 1979
GSA Bulletin (1979) 90 (11_Part_II): 1702–1736.
..., Maryland. It occupies the western part of the Piedmont province. On the west it is bounded by an east-dipping normal fault; the sedimentary and volcanic strata dip westward into the fault (Fig. 1). The rocks in this area traditionally have been considered part of the Newark Group and referred...
Journal Article
Published: 01 March 2007
Environmental Geosciences (2007) 14 (1): 31–48.
... units. Rerouting of surface drainage patterns, unlined drainage, and storm-water management areas and removal of significant overburden deposits significantly increase sinkhole development, but mainly, these units are inherently more susceptible to begin with. Copyright ©2007. The American Association...
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Series: GSA Field Guide
Published: 01 January 2015
DOI: 10.1130/2015.0040(16)
EISBN: 9780813756400
... but failed to stop the advancing French, who went on SE into Cavriana. Then, a sudden heavy rainstorm (as after Gettysburg) halted the fighting. The Austrians exited the battlefield to the E, leaving the French in control of the area. Meanwhile, to the N, through most of the day, the Piedmontese...
Published: 06 October 2006
DOI: 10.1130/2006.fld008(01)
EISBN: 9780813756080
... the Gettysburg area. Along the edge of intrusive sills and dikes, the red mudstone is altered or “baked” to hornfels: gray to purplish, hard, aphanitic or cryptograined, massive rock (Stop 1D), intermediate in ero-sional resistance between the soft redbeds and the hard diabase. The Gettysburg sedimentary...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1977
AAPG Bulletin (1977) 61 (1): 79–99.
... by significant influx of detritus. Yet, at estimated rates of salt precipitation in other areas ( Borchert, 1965 , p. 229-233; Braitsch, 1971 , p. 251-256), accumulation must have virtually ceased for periods of many hundreds of years during which considerable salt may have been redissolved. During...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1974
AAPG Bulletin (1974) 58 (7): 1403–1406.
... with the temperature gradients inferred for axial-ridge areas, where both crust and uppermost mantle temperatures are presumed to approach melting limits. It therefore seems more accurate to suppose that the lithosphere has been and probably continues to be subjected predominantly to ductile extension in association...
Journal Article
Journal: GSA Bulletin
Published: 01 May 2005
GSA Bulletin (2005) 117 (5-6): 829–832.
...–Early Jurassic sediments contained in the four westernmost basin remnants (Barboursville, Culpeper, Gettysburg, and Newark) that lie in the mid-Atlantic region of eastern United States. This paper analyzed the lateral and vertical variations in the sediment content and makes inferences...
Journal Article
Journal: Geology
Published: 01 January 2000
Geology (2000) 28 (1): 39–42.
... and Hodych, 1990 ; Hodych and Dunning, 1992 ). The North Mountain Basalt was dated as 201.7 + 1.4/–1.1 Ma, whereas the Palisades and Gettysburg sills yielded ages of 200.9 ± 1.0 Ma and 201.3 ± 1.0 Ma, respectively. On the basis of geochemical and field evidence, the Palisades sill appears to have fed...
Journal Article
Journal: PALAIOS
Published: 01 August 2005
PALAIOS (2005) 20 (4): 319–320.
... and paleotempestology. Having grown up a dozen miles from Gettysburg, Pennsylvania, he always has had an interest in the Civil War. This lifelong interest eventually led to the perfect synthesis of Civil War history and micropaleontology: analysis of the microfossils encased in the Confederate submarine H. L. Hunley...
Journal Article
Published: 01 February 2002
The Canadian Mineralogist (2002) 40 (1): 67–83.
... in this figure are located in the field corresponding to values of the ratio IV Al/ VI Al higher than the pargasitic substitution line, consistent to their genesis under a high geothermal gradient. The rare exceptions of amphiboles from metagabbros from the Gettysburg Bank and metabasalts from the MARK area...
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Series: SEPM Gulf Coast Section Publications
Published: 01 December 2005
DOI: 10.5724/gcs.05.25.0151
EISBN: 978-0-9836096-5-0
... of continental margins adjacent to the ancestral Gettysburg–Tarfaya transfer zone was different from the rebound of continental margins along the northern and southern Central Atlantic segments. Because of strike-slip faulting, the margin in this area was broken into a complex of small blocks that did...
Journal Article
Journal: Geosphere
Published: 18 August 2023
Geosphere (2023) 19 (5): 1452–1475.
... North American Margin. Generalized syn-rift basins and fault locations from Olsen (1997) and Schlische (2003) , respectively. East Coast magnetic anomaly (ECMA) location from Lang et al. (2020) . Basins: HT—Hartford; NW—Newark; GB—Gettysburg; CP—Culpeper; TY—Taylorsville; NF—Norfolk; RC—Richmond; DV...
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Journal Article
Published: 01 April 1963
Bulletin of the Seismological Society of America (1963) 53 (3): 687–692.
...Gerald R. MacCarthy Abstract For a given maximum intensity, most earthquakes of the Eastern United States are felt over much wider area than their western counterparts. Several of these eastern shocks, have, because of their relatively low maximum intensities, received little or no attention...
Journal Article
Published: 01 September 2021
Journal of Paleontology (2021) 95 (5): 1061–1078.
... ) Upper Triassic–Lower Jurassic stratigraphy in Pennsylvania showing stratigraphic placement of the metoposaurid fossil localities. Circle = Chester County locality (type locality of Eupelor durus , AMNH FARB 3927); square = Emigsville area locality (includes AMNH FARB 1850 and 1863); star = Zions View...
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Journal Article
Published: 01 April 1992
Earth Sciences History (1992) 11 (1): 13–20.
... but still largely mysterious ichnofossil. [A future paper will attempt to treat the nomenclatural problems arising from this investigation.] Studies of the Late Triassic New Oxford and Gettysburg Formations [Gettysburg Basin, Newark Supergroup], York County, Pennsylvania were carried out...
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Journal Article
Journal: Elements
Published: 01 October 2007
Elements (2007) 3 (5): 307–314.
... in the Shale Hills watershed on the Rose Hill Shale (A-D) and on the Gettysburg Diabase (E), both in central Pennsylvania, USA. The parameter τ i,j represents elemental concentration normalized to account for volume changes and relative loss or gain of elements ( Brimhall and Dietrich 1987 ). \batchmode...
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Series: Geological Society, London, Special Publications
Published: 23 August 2023
DOI: 10.1144/SP528-2022-43
EISBN: 9781786209603
... and pyroxene react together. Dolerite sills from the Gettysburg Basin, Pennsylvania, have remarkably low permeability and homogeneous compositions that include minerals that will readily react with CO 2 dissolved in water. Here, we characterize the physical properties and chemical gradients within several...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1998
AAPG Bulletin (1998) 82 (5): 817–835.
... in the Culpeper, Gettysburg, Newark, Hartford, Deerfield, and Fundy rift basins, but are not present in the exposed southern rift basins ( Olsen et al., 1989 ). Instead, basalt flows in the southeastern United States overlie the rift basins ( Dillon et al., 1983 ; Behrendt, 1985 , 1986 ; Costain and Coruh, 1989...
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