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Newmarket Till

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( a ) Simplified stratigraphic model (<span class="search-highlight">Newmarket</span> <span class="search-highlight">Till</span> and younger) of the Oa...
Published: 20 December 2019
Fig. 4. ( a ) Simplified stratigraphic model (Newmarket Till and younger) of the Oak Ridges Moraine (ORM) area. Note that the drumlinized surface of Newmarket Till trends beneath the ORM and Halton Till; meltwater channels form the base of the ORM formation. ( b ) Location of cross-section
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( a ) <span class="search-highlight">Newmarket</span> <span class="search-highlight">Till</span> (NT), a stony sandy diamicton (∼2 m with amalgamated b...
Published: 20 April 2018
Fig. 8. ( a ) Newmarket Till (NT), a stony sandy diamicton (∼2 m with amalgamated beds; top image), occurs with a planar contact at base of NT, resting on Thorncliffe Formation (TF) sand (∼0.5 m, bottom image); this type of contact is a local example of a contact that has been observed
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( a ) <span class="search-highlight">Newmarket</span> <span class="search-highlight">Till</span>: massive, stony sandy diamicton (trowel is about 10 cm...
Published: 01 February 2016
Fig. 4. ( a ) Newmarket Till: massive, stony sandy diamicton (trowel is about 10 cm); photograph by D. Sharpe; GSC-2012-140A; ( b ) Halton Till (HT) rests conformably (dashed line) on Oak Ridges Moraine cross-bedded sand; s, spoil; a, soil (section is about 8 m high); photograph by D. Sharpe
Journal Article
Published: 05 July 2018
Canadian Journal of Earth Sciences (2018) 55 (7): 730–767.
... sediments, Newmarket Till, and Oak Ridges Moraine (ORM) sediment. Seismic data reveal two generations of roughly north–south channels: older sub-Newmarket Till channels within Lower sediments (termed Thorncliffe channel) and ORM-related channels (termed ORM channel) that incise both Newmarket Till and Lower...
FIGURES | View All (21)
Journal Article
Published: 20 December 2019
Canadian Journal of Earth Sciences (2020) 57 (7): 781–800.
...Fig. 4. ( a ) Simplified stratigraphic model (Newmarket Till and younger) of the Oak Ridges Moraine (ORM) area. Note that the drumlinized surface of Newmarket Till trends beneath the ORM and Halton Till; meltwater channels form the base of the ORM formation. ( b ) Location of cross-section...
FIGURES | View All (15)
Journal Article
Published: 20 April 2018
Canadian Journal of Earth Sciences (2018) 55 (7): 677–708.
...Fig. 8. ( a ) Newmarket Till (NT), a stony sandy diamicton (∼2 m with amalgamated beds; top image), occurs with a planar contact at base of NT, resting on Thorncliffe Formation (TF) sand (∼0.5 m, bottom image); this type of contact is a local example of a contact that has been observed...
FIGURES | View All (12)
Journal Article
Published: 01 February 2016
Canadian Journal of Earth Sciences (2016) 53 (3): 281–303.
...Fig. 4. ( a ) Newmarket Till: massive, stony sandy diamicton (trowel is about 10 cm); photograph by D. Sharpe; GSC-2012-140A; ( b ) Halton Till (HT) rests conformably (dashed line) on Oak Ridges Moraine cross-bedded sand; s, spoil; a, soil (section is about 8 m high); photograph by D. Sharpe...
FIGURES | View All (5)
Journal Article
Published: 25 August 1999
Canadian Journal of Earth Sciences (1999) 36 (3): 409–432.
... and process interpretations. The data define four major seismic facies that characterize the complex glacial sequence of the ORM area. High-reflectivity facies (I) can be traced regionally and related to an eroded Newmarket Till surface. Medium (II) and low (III) reflectivity facies are generally associated...
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York Region (Rouge River) <span class="search-highlight">Newmarket</span> thick-<span class="search-highlight">till</span> plain&#x2F;ORM (Oak Ridge Moraine...
Published: 03 August 2022
Fig. 9. York Region (Rouge River) Newmarket thick-till plain/ORM (Oak Ridge Moraine): Newmarket Till, near Markham dominates a gently undulating till plain sloping southward from beneath ORM toward Lake Ontario, drained by the Rouge River system. ( a ) The Newmarket Till aquitard underlies
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Comparative grain-size plots of Halton and <span class="search-highlight">Newmarket</span> <span class="search-highlight">tills</span>. ( a ) Matrix gr...
Published: 01 February 2016
Fig. 8. Comparative grain-size plots of Halton and Newmarket tills. ( a ) Matrix grain-size plot with stratigraphic correction and adjustment for gravel fraction. The plot generalizes Halton (>275) and Newmarket (>700) till analyses. ( b ) Grain-size plot of Halton Till with samples
Journal Article
Published: 19 January 2017
Canadian Journal of Earth Sciences (2018) 55 (7): 709–729.
... (and locally truncated) by Late Wisconsin Newmarket Till. The sedimentary record of southern Simcoe County is correlated with other well-studied reference sections in southern Ontario and contains information that informs reconstructions of former ice extents in the lower Great Lakes region following...
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Journal Article
Published: 23 March 2018
Canadian Journal of Earth Sciences (2018) 55 (7): 863–885.
... during deglaciation and exhibit strong controls on shallow groundwater flow in the region. The stratigraphic succession is floored by the Late Wisconsin Newmarket Till (SU1), which is locally overlain by ice-proximal debris flow deposits (SU2). These glacial sediments are overlain by glaciolacustrine...
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Journal Article
Published: 12 September 2002
Canadian Journal of Earth Sciences (2002) 39 (9): 1333–1348.
... is received from the uppermost aquifer, 20–25% is contributed by deeper aquifers underlying the extensive Northern–Newmarket till aquitard. This work shows that the moraine sediments represent just one component of a regional flow system that extends beyond the morphological boundary of the moraine. This has...
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( a ) Terrain architectural elements and location of seismic lines displaye...
Published: 19 February 2004
Fig. 3. ( a ) Terrain architectural elements and location of seismic lines displayed across the ORM study area. Most drumlins occur on the surface of Newmarket Till. Boreholes are located as single wells (GSC (Geological Survey of Canada), OGS (Ontario Geological Survey)) or as clusters
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( a ) Terrain architectural elements and location of seismic lines displaye...
Published: 19 February 2004
Fig. 3. ( a ) Terrain architectural elements and location of seismic lines displayed across the ORM study area. Most drumlins occur on the surface of Newmarket Till. Boreholes are located as single wells (GSC (Geological Survey of Canada), OGS (Ontario Geological Survey)) or as clusters
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Geological cross-sections of the Yonge Street Aquifer (YSA). See  Fig. 5  f...
Published: 05 July 2018
by 50–60 m of aquitard (Thorncliffe Formation (TF) post-channel mud, Newmarket Till, glaciolacustrine mud); site 1 is Aurora core (1. GSC-Aur; Figs. 5 and 7 a ; Table S1 2 ), site 2 is Queensville core (2. Qu MW-13; Figs. 5 and 7 b ; Table S1 2 ). ( b ) East–west Davis Drive section B–B
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High-resolution reflection seismic profiles: ( a ) East–west seismic profil...
Published: 19 February 2004
unconformity (u) and filled with channel deposits. Hummocky reflectors on the unconformity are gravel as confirmed by a continuously cored borehole (BH log). NT, Newmarket Till; ORM, Oak Ridges Moraine sediment. VE = 2. ( e ) Higher resolution display of acquired seismic data with no vertical exaggeration. ( f
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( a ) Thickness map of Halton <span class="search-highlight">Till</span> draped on the south flank of Oak Ridges ...
Published: 20 December 2019
from ORM silt, sand, and gravel (from Barnett 2012 ). Note that top of Newmarket Till is the streamlined drumlin surface beneath ORM and Halton sediment.
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Comparison of stratigraphic geometries: ( a ) Finger Lakes and ( b ) ORM ac...
Published: 19 February 2004
Fig. 7. Comparison of stratigraphic geometries: ( a ) Finger Lakes and ( b ) ORM across an ∼10–20 km transect. I, bedrock unconformity; II, Late Wisconsinan unconformity; III, modern surface. ORM, Oak Ridges Moraine sediment; cs, channel sediment; NT, Newmarket Till; LS, lower sediment; dr
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Schematic three-dimensional geologic model (interpretation) of the Yonge St...
Published: 05 July 2018
Fig. 9. Schematic three-dimensional geologic model (interpretation) of the Yonge Street Aquifer (YSA). Oak Ridges Moraine (ORM) sediments, drumlinized Newmarket Till uplands and upper Thorncliffe Formation (TF) mud overlie YSA between Queensville (N) and Aurora (S). Thorncliffe channels eroded