1-20 OF 37 RESULTS FOR

Champlain epoch

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
Series: GSA Memoirs
Published: 01 January 1969
DOI: 10.1130/MEM120-p1
... The northwestern New England and adjacent Quebec region is an area of 30,000 square miles on the northwest side of the northeastern Appalachian Mountains belt, and extends into the adjacent Hudson, Champlain, and St. Lawrence Valleys to the northwest. It is athwart a major change in trend...
Journal Article
Journal: GSA Bulletin
Published: 01 April 1949
GSA Bulletin (1949) 60 (4): 707–779.
... of the Adirondack arch and marginal to the Champlain miogeosyncline during part of the Bolarian (Kay, 1947) and Trentonian epochs. Detailed description, definition and correlation of the stratigraphic units are presented. The Pinesburg and Fannettsburg members (new) of the Shippensburg formation (redefined...
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1928
AAPG Bulletin (1928) 12 (2): 111–141.
... its importance and its significance are brought out in strong relief only by the study of its phenomena in the western part of the continent and especially in California. If with Upham we divide the Quaternary period into three epochs, the Ozarkian [Sierran], the Glacial, and the Champlain...
FIGURES | View All (6)
Journal Article
Journal: AAPG Bulletin
Published: 01 July 1957
AAPG Bulletin (1957) 41 (7): 1429–1440.
...Herbert P. Woodward ABSTRACT Appalachian structures of central and east-central Pennsylvania include elements assigned to three epochs of folding—Taconic structures, dated in the late Ordovician; Acadian structures dated in the late Devonian; and folds of the terminal Paleozoic orogeny. Folds...
FIGURES | View All (8)
Journal Article
Journal: GSA Bulletin
Published: 01 January 1897
GSA Bulletin (1897) 9 (1): 453–460.
... Abstract Page A ccessions to library from March, 1897, to March, 1898; H. P. Cushing 443 A dams , F. D., Announcements by 400, 426 — cited on age of Champlain dikes 254 — — — Canadian Laurentian 296, 307 — — — composition of Ontario slates 225 — — — influence of water on recrystallization 310...
Journal Article
Journal: AAPG Bulletin
Published: 01 January 1932
AAPG Bulletin (1932) 16 (1): 1–49.
... to the Cordilleran revolution. But this subsequent record is enormous, for the province then began to founder and the seas seldom left its deeps. For nearly every period and epoch subsequent to the Jurassic the Pacific province with its 75,000 feet of Cretaceous and Cenozoic sediments furnishes the maximum known...
FIGURES | View All (10)
Journal Article
Journal: AAPG Bulletin
Published: 01 August 1948
AAPG Bulletin (1948) 32 (8): 1397–1416.
... and northwest are the Champlain and Allegheny belts, respectively; present discussion concerns the latter. Lithologic characters and their nomenclature. —Carbonate rocks of many types are dominant in the Middle Ordovician of the Allegheny belt. To discuss them as limestones is not sufficiently descriptive...
FIGURES | View All (6)
Journal Article
Published: 01 April 1987
Earth Sciences History (1987) 6 (1): 47–60.
..., underlying the St. Lawrence lowlands and the Champlain foreland. “The conditions in which the two areas differ, “in Logan’s words, “are the general quiescence and conformable sequence of the formations from the base of the Lower Silurian upwards in the western, and the violent contortions and unconformable...
FIGURES | View All (5)
Journal Article
Journal: Interpretation
Published: 05 February 2021
Interpretation (2021) 9 (1): T253–T274.
... area spans approximately 24 lease blocks in the southeast corner of the Mississippi protraction area. It is outlined by the Antares, Venus, and Champlain Salt bodies (distribution modified from Bouroullec and Weimer, 2017a ). This study includes 15 oil industry wells (the red-outlined black-filled...
FIGURES | View All (18)
Journal Article
Journal: PALAIOS
Published: 28 December 2020
PALAIOS (2020) 35 (12): 524–542.
.... Following the demise of archaeocyaths at the end of the Terreneuvian and prior to the Darriwilian epoch sponges (keratose-types, chaetetids, and lithistids) and sponge-like pulchrilaminids and calathids aggregated in shallow marine carbonate depositional environments into clusters and patches to form...
FIGURES | View All (16)
Journal Article
Journal: AAPG Bulletin
Published: 01 August 1948
AAPG Bulletin (1948) 32 (8): 1493–1595.
... levels where flowage is predominant, to shallower levels where such failure is more and more replaced by folding and faulting. The Upper Cambrian Potsdam sandstone, where it flanks the pre-Cambrian along the Lake Champlain margin of the Adirondacks, dips eastward into Vermont at a moderate angle...
FIGURES | View All (26)
Journal Article
Published: 01 April 2006
Earth Sciences History (2006) 25 (1): 37–55.
... are on the northwest, where the Knoxville is unconformably overlain by the Eocene. The Dothan and Galice appear to be overturned, and their relative position indicates that the Dothan is younger than the Galice. The great mountain-building epoch at the close of the Jurassic involved the eruption of great masses...
FIGURES | View All (8)
Journal Article
Journal: AAPG Bulletin
Published: 01 October 1961
AAPG Bulletin (1961) 45 (10): 1634–1655.
... to the Cincinnati arch during pre-Trenton epochs are attributed now to the Waverly arch. If these and other preliminary observations are substantiated as is confidently expected, considerable revision is required of various subsurface interpretations previously held for this region. 1 Manuscript received...
FIGURES | View All (17)
Journal Article
Published: 30 October 2012
Geological Magazine (2013) 150 (2): 371–380.
...CHRISTIAN BAARS; MANSOUREH GHOBADI POUR; ROBERT C. ATWOOD Abstract Rugose corals are thought to have evolved from an ancestral anthozoan during the Middle Ordovician Epoch even though there is a lack of fossil evidence for the early evolutionary history of the Rugosa. Previously documented species...
FIGURES | View All (4)
Journal Article
Published: 01 June 2010
Russ. Geol. Geophys. (2010) 51 (6): 684–693.
...) witnessed the emergence of the order Stromatoporida: Stromatopora Goldfuss and Vikingia Bogoyavlenskaya. Late Telychian sediments contain Parallelopora Bargatzky, Yabeodictyon Mori, Neobeatricea Rukhin, and Yavorskiina V. Khalfina. In the Wenlock epoch, stromatoporoids flourished in the entire...
FIGURES | View All (4)
Journal Article
Published: 01 April 1989
Earth Sciences History (1989) 8 (1): 36–42.
...G.B. Morey ABSTRACT Charles Lyell published a geologic map of the Lake Superior region in 1845 as an appendix to his epochal Travels in North America. One of the published sources Lyell used to compile this map was an 1829 report by H.W. Bayfield, who as a surveyor for the Royal Navy spent...
FIGURES
Journal Article
Published: 01 March 2013
Journal of Paleontology (2013) 87 (2): 269–276.
...–Epoch 4 of Fig. 2 ) provided a climatic barrier to earlier Avalonian–Gondwanan biotic exchange ( Landing and Westrop, 2004 ; Landing, 2005 ). Figure 3 .6–3.9 Class Ostracoda Latreille, 1802 Order Beyrichiocopa Pokorný, 1954 Subdorder Eridostraca Adamczak, 1961...
FIGURES
Journal Article
Journal: PALAIOS
Published: 01 September 2007
PALAIOS (2007) 22 (5): 539–545.
...-fossil evidence of walrus feeding in and around paleo–Willapa Bay provides physical evidence of similar southerly displacements prior to the Holocene epoch. Relative age comparisons made between the younger and older Pleistocene terraces indicate that the trace fossils described here represent...
FIGURES | View All (5)
Journal Article
Published: 07 March 2017
Canadian Journal of Earth Sciences (2017) 54 (7): 785–797.
... older from north to south ( Hagadorn and Belt 2008 ; Sanford and Arnott 2010 ; Lowe 2016 ; Lowe and Arnott 2016 ). Epoch 3 Cambrian trilobites (representing the Crepicephalus and Cedaria zones) were collected near the base of the Keeseville Formation ( Flower 1964 ; Landing et al. 2007 , 2009...
FIGURES | View All (9)
Journal Article
Published: 11 September 2017
Canadian Journal of Earth Sciences (2018) 55 (7): 846–862.
... glacier-fed lakes was not observed in the sediments of the study area. Locally, however, subaqueous fan sediments may make up a significant proportion of the sediments deposited in the glacial–glaciolacustrine environment (e.g., Boy Scout Gravel Pit, Evenson et al. 1977 ; or in the Champlain Sea, Rust...
FIGURES | View All (15)