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Journal Article

Influence of the Ainslie Detachment on the stratigraphy of the Maritimes Basin and mineralization in the Windsor Group of northern Nova Scotia, Canada Available to Purchase

Gregory Lynch, Joao V. A. Keller, Peter S. Giles
Journal: Economic Geology
Published: 01 October 1998
Economic Geology (1998) 93 (6): 703–718.
DOI: https://doi.org/10.2113/gsecongeo.93.6.703
.... The principal host to base metal mineralization is the Visean Windsor Group, which is also the only marine-dominated interval within the basin. The Windsor Group is a thick accumulation of evaporites, carbonates, and siltstone, deposited during passive regional subsidence and intracontinental submersion...
View PDF for article title, Influence of the Ainslie Detachment on the stratigraphy of the Maritimes <span class="search-highlight">Basin</span> and mineralization in the <span class="search-highlight">Windsor</span> Group of northern Nova Scotia, Canada
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Journal Article

Sedimentology of the lowest Windsor carbonate rocks; base metal hosts in the Maritimes Basin of Eastern Canada Available to Purchase

Denis Lavoie, Terry Sami
Journal: Economic Geology
Published: 01 October 1998
Economic Geology (1998) 93 (6): 719–733.
DOI: https://doi.org/10.2113/gsecongeo.93.6.719
...Denis Lavoie; Terry Sami Abstract The Mississippian (Visean) Macumber and Gays River Formations of the Windsor Group in Nova Scotia are host to Pb-Zn-Ba (Cu-Ag) deposits. Transport and deposition of base metals were possible because of an efficient porosity-permeability system developed in both...
View PDF for article title, Sedimentology of the lowest <span class="search-highlight">Windsor</span> carbonate rocks; base metal hosts in the Maritimes <span class="search-highlight">Basin</span> of Eastern Canada
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Journal Article

Sub-basin-specific Pb and Sr sources in Zn-Pb deposits of the Lower Windsor Group, Nova Scotia, Canada Available to Purchase

D. F. Sangster, M. M. Savard, D. J. Kontak
Journal: Economic Geology
Published: 01 October 1998
Economic Geology (1998) 93 (6): 911–919.
DOI: https://doi.org/10.2113/gsecongeo.93.6.911
...D. F. Sangster; M. M. Savard; D. J. Kontak Abstract Several carbonate-hosted lead-zinc deposits, displaying replacement and/or open-space-filling textures, occur in the Lower Windsor Group (Visean) of Nova Scotia, Canada. Many of these deposits are distributed within four sub-basins (Kennetcook...
View PDF for article title, Sub-<span class="search-highlight">basin</span>-specific Pb and Sr sources in Zn-Pb deposits of the Lower <span class="search-highlight">Windsor</span> Group, Nova Scotia, Canada
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Journal Article

Palynology of the Windsor Group (Mississippian) in a borehole at Stewiacke, Shubenacadie Basin, Nova Scotia Free

J. Utting
Published: 01 August 1980
Canadian Journal of Earth Sciences (1980) 17 (8): 1031–1045.
DOI: https://doi.org/10.1139/e80-103
...J. Utting Abstract A palynological investigation of core samples from borehole SB-1 at Stewiacke, Nova Scotia, suggests that three miospore zones may be recognized. In terms of Bell's macrofaunal zonation, assemblage-zone I occurs in Lower Windsor subzones A and B, assemblage-zone II occurs...
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Journal Article

Seawater composition during deposition of Viséan evaporites in the Moncton Subbasin of New Brunswick as inferred from the fluid inclusion study of halite Available to Purchase

Oleh Petrychenko, Tadeusz Marek Peryt, Brian Roulston
Published: 07 February 2002
Canadian Journal of Earth Sciences (2002) 39 (2): 157–167.
DOI: https://doi.org/10.1139/e01-066
...Oleh Petrychenko; Tadeusz Marek Peryt; Brian Roulston Abstract The Viséan evaporites of the Windsor Group in the Moncton Subbasin at the western limit of the Maritimes Basin of eastern Canada represent an important stratigraphic sequence to study in determining changes in the chemistry of marine...
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View PDF for article title, Seawater composition during deposition of Viséan evaporites in the Moncton Subbasin of New Brunswick as inferred from the fluid inclusion study of halite
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Journal Article

Sediment sources and dispersion as revealed by single-grain 40 Ar/ 39 Ar ages of detrital muscovite from Carboniferous and Cretaceous rocks in mainland Nova Scotia Geological Survey of Canada contribution 20090289. Available to Purchase

Peter H. Reynolds, Georgia Pe-Piper, David J.W. Piper
Published: 14 July 2010
Canadian Journal of Earth Sciences (2010) 47 (7): 957–970.
DOI: https://doi.org/10.1139/E10-027
... unroofing of the Meguma terrane and the reworking of Carboniferous rocks in the Early Cretaceous. In the western Windsor Basin, a sample from the oldest Horton Group rocks yielded ages principally between ca. 400 and 380 Ma, suggesting that most of the muscovite present came from the metamorphic rocks...
View PDF for article title, Sediment sources and dispersion as revealed by single-grain 40 Ar/ 39 Ar ages of detrital muscovite from Carboniferous and Cretaceous rocks in mainland Nova Scotia Geological Survey of Canada contribution 20090289.
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Includes: Supplemental Content
Image
Comparison of velocity waveforms in Santa Rosa (site SF501). All waveforms have been low-pass filtered to a bandwidth of . Time is with respect to the origin time; changing the hypocenter affects the arrival time. The Cotati and Windsor basins amplify the ground motions leading to strong shaking in most of the scenarios, but the details of the waveforms are strongly dependent on the hypocenter, slip distribution, and propagation path.

Comparison of velocity waveforms in Santa Rosa (site SF501 ). All waveform... Available to Purchase

Published: 01 April 2008
Figure 16. Comparison of velocity waveforms in Santa Rosa (site SF501 ). All waveforms have been low-pass filtered to a bandwidth of . Time is with respect to the origin time; changing the hypocenter affects the arrival time. The Cotati and Windsor basins amplify the ground motions leading
Image
Comparison of velocity waveforms in Santa Rosa (site SF501). All waveforms have been low-pass filtered to a bandwidth of . Time is with respect to the origin time; changing the hypocenter affects the arrival time. The Cotati and Windsor basins amplify the ground motions leading to strong shaking in most of the scenarios, but the details of the waveforms are strongly dependent on the hypocenter, slip distribution, and propagation path.

Comparison of velocity waveforms in Santa Rosa (site SF501 ). All waveform... Available to Purchase

Published: 01 April 2008
Figure 16. Comparison of velocity waveforms in Santa Rosa (site SF501 ). All waveforms have been low-pass filtered to a bandwidth of . Time is with respect to the origin time; changing the hypocenter affects the arrival time. The Cotati and Windsor basins amplify the ground motions leading
Image
Bounding boxes of the domains used by the four ground-motion modeling groups (left) and the locations of the major sedimentary basins (right). The thick red line shows the projection of the fault plane in the Wald source model, the white star identifies the epicenter, and the thin red lines delineate the surface traces of the major faults in the region. The basin abbreviations are Cupertino Basin, C; Cotati and Windsor Basins, CW; Evergreen Basin, E; Livermore Basin, L; La Honda Basin, LH; San Leandro Basin, SL; San Pablo Bay, SP. Figure 4 shows the shear-wave speed on cross section AA′.

Bounding boxes of the domains used by the four ground-motion modeling group... Available to Purchase

Published: 01 April 2008
lines delineate the surface traces of the major faults in the region. The basin abbreviations are Cupertino Basin, C ; Cotati and Windsor Basins, CW ; Evergreen Basin, E ; Livermore Basin, L ; La Honda Basin, LH ; San Leandro Basin, SL ; San Pablo Bay, SP . Figure  4 shows the shear-wave speed
Image
Simplified geologic map (modified from Saucedo et al., 2000; Graymer et al., 2006) of the Santa Rosa Plain and surrounding highlands. The Santa Rosa Plain is bound on the west by the Sebastopol fault and on the east by the Rodgers Creek and Healdsburg faults. The buried Trenton Ridge separates the northern Windsor Basin from the southern Cotati Basin. Drill holes used in this study are classified by total depth. Two drill holes with high-quality lithologic and biostratigraphic data (Powell et al., 2006) are labeled: OR—Occidental Road well; SR—Sebastopol Road well.

Simplified geologic map (modified from Saucedo et al., 2000 ; Graymer et ... Open Access

Published: 01 June 2010
Ridge separates the northern Windsor Basin from the southern Cotati Basin. Drill holes used in this study are classified by total depth. Two drill holes with high-quality lithologic and biostratigraphic data ( Powell et al., 2006 ) are labeled: OR—Occidental Road well; SR—Sebastopol Road well.
Image

Stratigraphy of the Windsor Group in western Moncton Basin. Available to Purchase

Published: 19 April 2006
Table 2. Stratigraphy of the Windsor Group in western Moncton Basin.
Image
Figure 3. Possible basin history. A: Initial thick section of lower Windsor Group evaporites fill fault-bounded Mississippian Cumberland basin. B: Possible deposition of upper Windsor Group clastic rocks, limestones, and additional evaporites in minibasins formed during early evaporite flow. C: Further halokinesis allows deposition of Mabou Group in minibasins. D: Basin-wide deposition of Boss Point Formation during period of relative halokinetic quiescence. E: Evaporite withdrawal below Athol syncline allows preservation of thick coal-bearing succession. Patterns as in Figure 1. Not to scale

Figure 3. Possible basin history. A: Initial thick section of lower Windsor... Available to Purchase

Published: 01 May 2005
Figure 3. Possible basin history. A: Initial thick section of lower Windsor Group evaporites fill fault-bounded Mississippian Cumberland basin. B: Possible deposition of upper Windsor Group clastic rocks, limestones, and additional evaporites in minibasins formed during early evaporite flow. C
Image
Simplified geologic map of the northern San Francisco Bay region modified from Langenheim et al. (2010). Locations of wells discussed in the text: Bethlehem #1 near Point Pinole; Murphy #1 east of Petaluma; Texaco Nobel #1 near Sears Point. Faults in San Pablo Bay are from Wright and Smith (1992) and Parsons et al. (2003). Abbreviations: BM—Bennett Mountain; BV—Bennett Valley; CB—Cotati basin; CC—Carriger Creek; CV—Carneros Valley; DR—Donnell Ranch; JL—Jack London State Park; L—Lakeville; LV—Lovall Valley; MP—Mount Pisgah; NV—Nunns Valley; PB—Petaluma basin; SR—Steinbeck Ranch; WB—Windsor basin; WSVF—West Sonoma Valley fault.

Simplified geologic map of the northern San Francisco Bay region modified f... Open Access

Published: 01 June 2011
; WB—Windsor basin; WSVF—West Sonoma Valley fault.
Image
Filtered magnetic data with correlated offset features (labeled m). Aligned dark blue dots and circles are magnetization gradients; red dotted line highlights 8-km-long, 2-km-wide gravity low that we speculate represents an older strike-slip basin superposed on the northeastern margin of the Windsor basin. Black lines are faults; heavier black lines are Holocene faults from Graymer et al. (2006a). Gray lines are gravity gradients. Blue-rimmed white circles are drill holes discussed in text. Be—Bellevue gravity low; CPF—Cooks Peak; HF—Healdsburg; RCF—Rodgers Creek fault; SR—downtown Santa Rosa; TMF—Taylor Mountain fault; TR—Trenton Ridge; WH—Warrington high. Arrows point to an apparent right-lateral offset along the mapped Trenton thrust of ∼2 km. A and A′ are features that restore against each other along related right-lateral oblique faults.

Filtered magnetic data with correlated offset features (labeled m). Aligned... Open Access

Published: 01 October 2010
of the Windsor basin. Black lines are faults; heavier black lines are Holocene faults from Graymer et al. (2006a) . Gray lines are gravity gradients. Blue-rimmed white circles are drill holes discussed in text. Be—Bellevue gravity low; CPF—Cooks Peak; HF—Healdsburg; RCF—Rodgers Creek fault; SR—downtown Santa
Image
Gravity data filtered to enhance shallow features. Aligned dark blue dots and crosses are gravity gradients; red dotted line highlights 8-km-long, 2-km-wide gravity low that we speculate represents an older strike-slip basin superposed on the northeastern margin of the Windsor basin. Black lines are faults; heavier black lines are Holocene faults from Graymer et al. (2006a). Letter n shows where Quaternary faulting has been documented on normal faults along the west side of the Santa Rosa Plain. Blue-rimmed white circles are drill holes discussed in the text. Be—Bellevue gravity low; CPF—Cooks Peak; HF—Healdsburg; RCF—Rodgers Creek fault; SR—downtown Santa Rosa; TMF—Taylor Mountain fault; TR—Trenton Ridge; WH—Warrington high. Feature labeled A would restore up against feature A′ along a fault zone that includes the Trenton thrust.

Gravity data filtered to enhance shallow features. Aligned dark blue dots a... Open Access

Published: 01 October 2010
Figure 12. Gravity data filtered to enhance shallow features. Aligned dark blue dots and crosses are gravity gradients; red dotted line highlights 8-km-long, 2-km-wide gravity low that we speculate represents an older strike-slip basin superposed on the northeastern margin of the Windsor basin
Journal Article

A primary evaporite weld revealed in the late Paleozoic Antigonish sub-basin of Nova Scotia Available to Purchase

Alison K. Thomas, John W.F. Waldron
Published: 07 May 2024
Canadian Journal of Earth Sciences (2025) 62 (2): 131–151.
DOI: https://doi.org/10.1139/cjes-2024-0030
...-grabens. The overlying Viséan Windsor Group contains substantial evaporite units; later basin development was accompanied by expulsion of these evaporites. In the Antigonish sub-basin, a significant stratigraphic omission surface initially described as a thrust was subsequently reinterpreted...
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View PDF for article title, A primary evaporite weld revealed in the late Paleozoic Antigonish sub-<span class="search-highlight">basin</span> of Nova Scotia
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Journal Article

Stratigraphy and Paleogeography of Mabou Group and Related Middle Carboniferous Facies, Nova Scotia, Canada Available to Purchase

EDWARD S BELT
Journal: GSA Bulletin
Published: 01 July 1965
GSA Bulletin (1965) 76 (7): 777–802.
DOI: https://doi.org/10.1130/0016-7606(1965)76[777:SAPOMG]2.0.CO;2
.... The term Mabou Group is applied to fine-grained “red” and “gray” fluvial and lacustrine strata that succeed the widespread marine and evaporite deposits of the Windsor Group. The Mabou facies represent basin-fill sediments that underlie and also are laterally equivalent to coarse marginal deposits...
View PDF for article title, Stratigraphy and Paleogeography of Mabou Group and Related Middle Carboniferous Facies, Nova Scotia, Canada
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Journal Article

A structural, petrographic, and geochemical study of the Jubilee Zn-Pb deposit, Nova Scotia, Canada, and a new metallogenic model Available to Purchase

Francine Fallara, Martine M. Savard
Journal: Economic Geology
Published: 01 October 1998
Economic Geology (1998) 93 (6): 757–778.
DOI: https://doi.org/10.2113/gsecongeo.93.6.757
... of the Visean Windsor Group.Mapping in the vicinity of the Jubilee Zn-Pb deposit shows that the Mabou Group and part of the underlying Windsor Group lie unconformably over the Lower Windsor Group, implying a local truncation of 545 m of Windsor Group strata. Another omission of 500 m is recognized near...
View PDF for article title, A structural, petrographic, and geochemical study of the Jubilee Zn-Pb deposit, Nova Scotia, Canada, and a new metallogenic model
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Cartoons showing schematic model for basin evolution. Not to scale. 1: Initial oblique rifting and deposition of Horton Group. 2: Deposition of lower Windsor Group including thick Hartshorn salt (cyan). 3: Start of salt expulsion during the deposition of the middle Windsor Group. 4: Deposition of middle Windsor salt (MWS—magenta); rising Hartshorn diapirs locally prevent deposition. 5: Deposition of upper Windsor Group and initiation of MWS expulsion in the eastern portion of the sub-basin. 6: Continued expulsion of the MWS; deposition of lower Mabou Group except where obstructed by diapirs. 7: Collapse of basin-margin diapirs; deformation of interlayered limestone and gypsum in the lower Windsor Group, producing folds, thrusts, and other fractures. 8: Inversion of the Morristown and Glenroy faults, accompanied by erosion. Stages 7 and 8 probably occurred concurrently but are here separated for clarity.

Cartoons showing schematic model for basin evolution. Not to scale. 1: Init... Available to Purchase

Published: 07 May 2024
Fig. 13. Cartoons showing schematic model for basin evolution. Not to scale. 1: Initial oblique rifting and deposition of Horton Group. 2: Deposition of lower Windsor Group including thick Hartshorn salt (cyan). 3: Start of salt expulsion during the deposition of the middle Windsor Group. 4
Journal Article

Kennetcook thrust system: late Paleozoic transpression near the southern margin of the Maritimes Basin, Nova Scotia Available to Purchase

John W.F. Waldron, Carlos G. Roselli, John Utting, Stanley K. Johnston
Published: 17 February 2010
Canadian Journal of Earth Sciences (2010) 47 (2): 137–159.
DOI: https://doi.org/10.1139/E09-071
...-Écosse repose sur des roches transportées tectoniquement. We focus for the remainder of this paper on the area south of the MFZ, between Windsor and Truro, Nova Scotia ( Fig. 2 a ), where industry seismic profiles and borehole data show deeper parts of Maritimes Basin stratigraphy, and allow us...
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View PDF for article title, Kennetcook thrust system: late Paleozoic transpression near the southern margin of the Maritimes <span class="search-highlight">Basin</span>, Nova Scotia
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