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Falmouth-Brunswick Sequence

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Series: GSA Memoirs
Published: 01 September 2010
DOI: 10.1130/2010.1206(10)
... Five belts of metamorphosed sedimentary and volcanic rocks underlie southwestern Maine and southeastern New Hampshire: Middle Ordovician Falmouth-Brunswick sequence; Middle and Late Ordovician Casco Bay Group, and Late Ordovician to Early Silurian rocks of the Merribuckfred Basin; Late...
Image
Schematic tectonic model for the Early to Middle Ordovician tectonic evolut...
Published: 01 March 2004
). (a) Development of an Early to Middle Arenigian volcanic arc along the Gander margin on the western side of the Iapetus Ocean Basin. The arc volcanics may be preserved as older parts of the Falmouth-Brunswick sequence ( Tucker, Osberg & Berry, 2001 ) in south-central Maine. Feldspathic, turbiditic
Image
General geology of south-central Maine modified from Osberg et al. ( 1985 )...
Published: 19 June 2003
; SG, Lake St. George granite gneiss; U, North Union granite gneiss. F–B Sequ., FalmouthBrunswick sequence; Fm., Formation; Gr., Group; Sil–Dev, Silurian–Devonian. The schematic cross section (A–A’) is modified from Stewart et al. ( 1993 ) and Tucker et al. ( 2001 ). A, away; T, towards.
Journal Article
Published: 01 March 2004
Geological Magazine (2004) 141 (2): 125–140.
... ). (a) Development of an Early to Middle Arenigian volcanic arc along the Gander margin on the western side of the Iapetus Ocean Basin. The arc volcanics may be preserved as older parts of the Falmouth-Brunswick sequence ( Tucker, Osberg & Berry, 2001 ) in south-central Maine. Feldspathic, turbiditic...
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Journal Article
Published: 19 June 2003
Canadian Journal of Earth Sciences (2003) 40 (6): 887–905.
...; SG, Lake St. George granite gneiss; U, North Union granite gneiss. F–B Sequ., FalmouthBrunswick sequence; Fm., Formation; Gr., Group; Sil–Dev, Silurian–Devonian. The schematic cross section (A–A’) is modified from Stewart et al. ( 1993 ) and Tucker et al. ( 2001 ). A, away; T, towards. ...
FIGURES | View All (9)
Journal Article
Published: 01 December 2023
Canadian Journal of Earth Sciences (2024) 61 (2): 205–222.
... in sedimentary provenance. Although differences within and among the three sequences exist, the new data are consistent with deposition of all these rocks in a similar, but temporally and spatially evolving, tectonic setting. This finding supports the concept of an Ordovician “FalmouthBrunswick–Casco Bay...
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Journal Article
Journal: Geology
Published: 01 July 2003
Geology (2003) 31 (7): 649–652.
... ; Hussey and Marvinney, 2002 ). From west to east, these sequences include (1) the Late Ordovician– Early Devonian Central Maine sequence (only Late Ordovician–Early Silurian rocks exposed in the study area), (2) the Middle to Late Ordovician Falmouth-Brunswick sequence, (3) the Middle to Late Ordovician...
FIGURES
Journal Article
Journal: GSA Bulletin
Published: 01 September 2007
GSA Bulletin (2007) 119 (9-10): 1218–1231.
... Silurian-Early Devonian sinistral and Middle Devonian dextral deformation features, are consistent with a significant change in plate kinematics between 430 and 370 Ma. We collected samples for U-Pb age determination in the Saint Croix belt, Casco Bay Group, and Falmouth-Brunswick sequence. Sample...
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Journal Article
Published: 01 April 2008
Canadian Journal of Earth Sciences (2008) 45 (3): 287–301.
... and volcanogenic sedimentary rocks of the Casco Bay and FalmouthBrunswick sequences (a.k.a Liberty–Orrington belt), Early Silurian metasedimentary rocks of the Fredericton belt, and finally a composite of Late Cambrian to Ordovician peri-Gondwanan terranes. All of these terranes are interpreted to have been...
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Journal Article
Published: 24 November 2011
Canadian Journal of Earth Sciences (2012) 49 (1): 239–258.
... at the northeast end of the inlier. The upper part comprises Middle Ordovician volcanic and related rocks of the FalmouthBrunswick sequence and Casco Bay Group ( West et al. 2003 ; Hussey et al. 2010), including, near its top, black shales (Diamond Island Formation) and ribbon limestones (Spurwink Limestone...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 1970
AAPG Bulletin (1970) 54 (11): 1989–2006.
... a fluviolacustrine sequence in the lower Carboniferous near Moncton, New Brunswick. In recent years the search for petroleum has expanded to include the Gulf of St. Lawrence, most of the continental shelf, and part of the slope. Offshore geophysical surveys indicate sedimentary thicknesses of 20,000 ft on the outer...
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Journal Article
Journal: GSA Bulletin
Published: 01 January 2016
GSA Bulletin (2016) 128 (1-2): 122–146.
... Ma), and by arc volcanic rocks within the Falmouth-Brunswick sequence of the Liberty-Orrington belt that are intruded by the Sheepscot Pond granite and have yielded U-Pb zircon ages of 472 ± 7 Ma and 471 ± 6 Ma ( Figs. 1A and 1B ; Tucker et al., 2001 ; West et al., 2004 ; Hussey et al., 2010...
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Journal Article
Published: 01 April 2020
Earth Sciences History (2020) 39 (1): 99–119.
... a cross-section based on these observations which his wife redrafted for his report (see Figure 1). Another stratigraphic sequence drawn by Hitchcock and discussed in his report is of particular interest for American geology. It crosses the Taconic Mountains along the Massachusetts-New York State line...
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Journal Article
Published: 06 December 2017
Seismological Research Letters (2018) 89 (1): 229–240.
... felt in New Brunswick (1764, 1811–1960) , Sadler Geophysical and Administrative Services Ltd. , Fredericton, New Brunswick , 747 pp. Dreger D. S. 2003 . TDMT_INV: Time Domain Seismic Moment Tensor INVersion , in International Handbook of Earthquake and Engineering Seismology , Lee W...
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Journal Article
Journal: Geosphere
Published: 21 June 2021
Geosphere (2021) 17 (4): 1038–1100.
... the Falmouth-Brunswick sequence and Casco Bay Group and in the Liberty-Orrington belt in Maine consist of volcanic and sedimentary rocks from an Ordovician backarc tectonic environment deposited on Ganderian crust. Our detrital zircon data and the preliminary data of Loan (2011) suggest deposition...
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Journal Article
Journal: PALAIOS
Published: 01 August 2008
PALAIOS (2008) 23 (8): 514–524.
... ramps within wave base ( Twitchett and Oji, 2005 ); however, little else is known about these taxa. The Lower Triassic Union Wash Formation was deposited as a transgressive-regressive sequence on a mixed carbonate-siliciclastic shelf located along the western edge of North America during the latter...
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Journal Article
Published: 01 July 2006
Journal of Foraminiferal Research (2006) 36 (3): 215–232.
... extrapolate or behave in unexpected ways under even mild non-analogue conditions (Juggins, written communication, 2005). Component 2 results were selected in the sequence of WA-PLS regression model runs ( Edwards and others, 2004a ) and compared with those from WA and WA-Tol inverse (Inv) and classical (Cla...
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Journal Article
Published: 01 July 2020
Journal of Foraminiferal Research (2020) 50 (3): 266–278.
...., Shennan, I., and Long, A. J., 1996 , Identifying coseismic subsidence in tidal-wetland stratigraphic sequences at the Cascadia subduction zone of western North America : Journal of Geophysical Research , v. 101 , p...
Journal Article
Published: 01 October 2016
Earth Sciences History (2016) 35 (2): 303–345.
... Navarino and across Ponsonby Sound on the Dumas Peninsula of Isla Hoste to the west ( Figure 3 ), the sheeted dikes pass upward into a well-exposed sequence of pillow basalts, which we interpret as part of an ophiolite sequence ( Figure 8 ). A much larger mass of ophiolitic rocks forms Cordillera Sarmiento...
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Journal Article
Journal: SEG Discovery
Published: 01 January 2023
SEG Discovery (2023) (132): 1–76.
... 0 0 0 93 100 Matrix compares the percent misclassification between initial logged codes and the backflagged codes; bold font indicates coincidence percentage between initial logged codes and the back-flagged codes for each geologic unit the intrusions, the sequence of deposi- advances in geophysical...