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Pleasant Bay

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A ) General view of <b>Pleasant</b> <b>Bay</b> Intrusion outcrops showing occurrence of m...
Published: 01 February 2011
Fig. 2 A ) General view of Pleasant Bay Intrusion outcrops showing occurrence of mafic pillows in felsic rocks; B–D ) Representative samples of interfaces between mafic and felsic magmas showing a large variability of morphologies.
Journal Article
Published: 01 December 1987
Canadian Journal of Earth Sciences (1987) 24 (12): 2422-2435.
...K. L. Currie Abstract Two contrasting metamorphic terranes can be recognized in northwestern Cape Breton Island. One terrane (Pleasant Bay complex) consists of biotite gneiss and quartzite with minor calc-silicate lenses that were metamorphosed in Late Precambrian time (about 550 Ma) and were...
Journal Article
Journal: GSA Bulletin
Published: 01 February 1972
GSA Bulletin (1972) 83 (2): 497-504.
... Series of clastic sedimentary rocks, which are intruded by the Cadillac Mountain Granite. Rocks exposed on Flint Island, Pleasant Bay area, Maine, which contain a Middle Silurian brachiopod fauna, are correlated with the Bar Harbor Series. The minimum age of 429 ± 13 m.y. established for the Bar Harbor...
Journal Article
Journal: Geology
Published: 01 July 2017
Geology (2017) 45 (7): 599-602.
.... , Owens , W.H. , and Hutton , D.H.W. , 2007 , Flow lobes in granite: The determination of magma flow direction in the Trawenagh Bay Granite, northwestern Ireland, using anisotropy of magnetic susceptibility : Geological Society of America Bulletin , v. 119 , p. 1368 – 1386 , doi:10.1130...
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Journal Article
Published: 12 June 2018
Bulletin of the Seismological Society of America (2018) 108 (3B): 1496-1520.
... rupture of the Papatea fault across the Main Trunk Railway Line and State Highway 1 north of Waipapa Bay. View to the southwest. At the time of photography, a temporary one‐lane access track had been constructed across the scarp. Photograph taken by Julian Thomson. (d) Terrestrial light detection...
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Journal Article
Published: 01 July 2013
American Mineralogist (2013) 98 (7): 1106-1119.
... ages from the Potsdam Formation around Alexandria Bay are available. Data from Reynolds and Thomson (1993) yield 360 ± 9 and 392 ± 9 Ma, and an unpublished K/Ar date by Selleck yields 355 ± 12 Ma. These also might suggest that low-grade metamorphism may be distally related to the Neo-Acadian orogeny...
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Journal Article
Published: 01 July 2011
Journal of Sedimentary Research (2011) 81 (7): 459-478.
..., Muir, Plainwell, Lansing, Ludington, Grand Rapids, Owosso, Mt. Pleasant, Clare, Shepherd, and Midland ( Fig. 2 ). The stones were used as primary building stones and as railroad trestles in towns closest to the Ionia County quarries from the late 1800s. They appear to have been used, during the 1950s...
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Journal Article
Journal: GSA Bulletin
Published: 01 February 1999
GSA Bulletin (1999) 111 (2): 177-188.
... (e.g., the Great Lakes) is facilitated by the use of geochemical and isotopic data. In this study, pore waters were extracted from sediment cores collected from Saginaw Bay and the surrounding Saginaw lowland area; the geochemistry and stable isotope signature of these pore waters were used to identify...
Journal Article
Journal: AAPG Bulletin
Published: 01 January 1969
AAPG Bulletin (1969) 53 (1): 30-54.
...W. L. Fisher; J. H. McGowen Abstract Regional investigation of the lower part of the Wilcox Group in Texas in outcrop and subsurface indicates seven principal depositional systems: (1) Mt. Pleasant fluvial system developed updip and in outcrop north of the Colorado River; (2) Rockdale delta system...
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Journal Article
Journal: AAPG Bulletin
Published: 01 October 1967
AAPG Bulletin (1967) 51 (10): 2163-2164.
...W. L. Fisher; J. H. McGowen ABSTRACT Regional investigation of the lower part of the Wilcox Group in Texas in outcrop and subsurface indicates seven principal depositional systems. These include: (1) Mt. Pleasant fluvial system developed updip and in outcrop north of the Colorado River; (2...
Image
Representative unpolarized FTIR spectra of apatites from ( a ) the <b>Pleasant</b>...
Published: 01 January 2008
F igure 4. Representative unpolarized FTIR spectra of apatites from ( a ) the Pleasant Bay layered intrusion; ( b ) Tilcon-Capaldi quarry and ( c ) Pelham asbestos mine. All spectra are normalized to 1 mm thickness. Two lines at 1405 and 1425 cm −1 mark the position of the characteristic B
Journal Article
Journal: PALAIOS
Published: 01 May 2007
PALAIOS (2007) 22 (3): 245-267.
...PATRICK I. MCLAUGHLIN; CARLTON E. BRETT Abstract Analysis of the limestone-dominated Upper Ordovician (Chatfieldian-Edenian) Point Pleasant–Fulton interval provides detailed documentation of the internal composition of a transgressive systems tract within a mixed-carbonate siliciclastic foreland...
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Journal Article
Journal: GSA Bulletin
Published: 25 April 2019
GSA Bulletin (2019) 131 (11-12): 1995-2010.
...-scale silicic eruptions are also preserved in southwestern New Brunswick, where the Passamaquoddy Bay volcanic sequence consists of a section at least 4 km thick recording four cycles of bimodal volcanism that occurred at ca. 423 Ma ( Van Wagoner et al., 2002 ), and across New Brunswick...
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Journal Article
Journal: GSA Bulletin
Published: 24 September 2018
GSA Bulletin (2019) 131 (3-4): 403-425.
... Bay complex; K—Kramanituar complex; TB—Thelon basin; VR—Virgin River shear zone. (B) General geologic map of the East Athabasca mylonite triangle with major structures and kinematics marked. Heavy dashed lines delineate Northwestern, Chipman, and Upper Deck domains. Inset shows location of Figure 4...
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