Silurian stratigraphy and palaeontology of the Niagara Escarpment in Ontario

Bolton, T E

doi:10.4095/101502

Cited by 29 publications

(30 citation statements)

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“…The term Guelph Dolomite, as formally revised herein, has previously been introduced informally by the authors others, 1990a,b, 1991;Tepper and others, 1990;LoDuca and Brett, 1991). Discussions of the Guelph in Ontario are provided by Williams (1919), Shaw (1937), Caley (1940Caley ( , 1941, Bolton and Liberty (1955), Bolton (1957), and Sanford (1969). The Guelph Formation, which overlies the Eramosa Member of the Lockport Formation, is poorly exposed in the Niagara Peninsula of Ontario (Liberty and others, 1976a,b).…”

Section: Guelph Dolomite (Revised Herein)mentioning

confidence: 99%

“…The Clarendon-Linden Fault is between Albion and Rochester and could play a role in the pinchout of the Whirlpool Sandstone, but the precise relation between the fault and the Whirlpool Sandstone remains to be defined. Brief History of Nomenclature: Bolton (1953) proposed the name Power Glen Formation for the 48 ft of shales with interbedded sandstones and limestones between the Whirlpool Sandstone and the Grimsby Formation at DeCew Falls, Ont. The Power Glen was considered by Bolton (1957) (fig.…”

Section: >-Illmentioning

confidence: 99%

“…The history of nomenclature of what is now termed the Medina Group, beginning with Conrad ( 1837) and ending with Bolton (1953), is presented in Fisher (1954); Bolton (1957, Grabau (1901Grabau ( , 1905Grabau ( , 1908Grabau ( , 1909Grabau ( , 1913; Kindle and Taylor (1913); Kindle (1914); Schuchert (1914); Chadwick (1918 Chadwick ( , 1935; Williams (1919);Goldring (1931); and Swartz and others (1942). More recent workers include Fisher (1954Fisher ( , 1960; Bolton (1957); Martini (1971Martini ( , 1974; Rickard (1975); Duke (1987a,b;; Duke and Fawcett (1987);and Duke, Fawcett, and Brusse (1991).…”

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confidence: 99%

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Revised stratigraphy and correlations of the Niagaran provincial series (Medina, Clinton, and Lockport groups) in the type area of western New York

Brett¹,

Tepper²,

Goodman³

et al. 1995

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Section: Guelph Dolomite (Revised Herein)mentioning

confidence: 99%

Section: >-Illmentioning

confidence: 99%

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Revised stratigraphy and correlations of the Niagaran provincial series (Medina, Clinton, and Lockport groups) in the type area of western New York

Brett¹,

Tepper²,

Goodman³

et al. 1995

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“…However, because this study is not primarily concerned with detailed stratigraphic analysis, the stratigraphic scheme of BOLTON (1958BOLTON ( , 1957) was used as a basis for classification of the units (Table 1).…”

Section: Stratigraphy Of the Niagara Peninsulamentioning

confidence: 99%

Genesis of Disseminated Sulphide Assemblages in Niagara Peninsula, Canada

Mostaghel

1983

Geol Rundsch

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ZusammenfassungAuf der Niagarahalbinsel in Sfid-Ontario, Kanada, befinden sich sub6konomische MiIleralvorkommen uiledeler Metalle vom Typ des Mississipi-Valley in den 51fiihrenden Karbonateinheiten der mittelsilurischen Sedimentationsfolge. Dieso Einheiten, die sich am nordwestlichen Rand des Appalachenbeckens abgelagert haben, wurden bis zur Zeit der Appalachia-Orogenese yon ungefghr 2,4 km miichtigen pal~iozoischen Sedimentbildungeil/iberdeckt.Die Sulfidrninerale bilden dreizehn verschiedene Gemenge und kommen in Adem, Aderchen, Dmsen uild Stylolithfl6zen vor. Die Verteiluilg der Gailgartminerale ist unregelm~iBig, aber die Sulfidminerale beweisen eiile fiberlappende vertikale Zonenanordnung. Obwohl die Lockport-Formation reicher an Dolomit ist, bezieht sich das DolomitisationsmaB nicht direkt auf das MaB der Blei-Zink-Miileralisation.Der Urspruilg der Mineralgemenge w/rd yon ehaem Modell erH~irt, das die Mineralisation in Zusammenhang mit der Evolution des Appalachenbeckeils bringt. Kleinere Quantitiiteil yon Sphalerit (in Hornsteinkn6tehen) und Pyrit (framboiden) f/illten wfihrend des fftihen diagenetisehen Stadiums aus. ,,HeiBe" petroleumfiihrende, fossile Wiisser wurden w~ihrend der sp~iteren Diageilese aus den Sedimenteil ausgepreBt mittels der Verdichtuilg, bzw. der Kompressionsdru&e der Appalachia-Orogenese. Indem diese W~isser nach aul3en Ilnd naeh obeil in die Zoneil geringeren Dmekes flossen, wurden sie salziger und in fliissiges Petroleum und fossile Salzl6sung getrennt. Petroleum, wegen des geringeren spezifisehen Gewiehts, ging der allgemelnen Verbreituilgs-tmd Anstiegsbewegungen der fossileil Salzl6sungen zu den Be&enr~indern voraus. Die mittelsilurischen Karbonate der Niagarahalbinsel verhinderten den vorher relativ sehnellen FIuB dilreh die unterliegendeil klastischen Sedimeilte und wurden 6rtlieh mit Petroleum angereichert, wobei es sieh in das n~chst iiberliegende, obersilurisehe Speichergestein bewegte. Dieses Petroleum sehaffte eine Quelle von reduzierendem Schwefel. Im Lauf der Bewegungen ist es m6glich, dab die fossilen SalzlSsungen Metalle aus Sedimeilteil versehiedener Herkunft laugteil. Na&dem die Metalle ill der reduzierenden Schwefel-Zoile angekommen waren, fielen sie als Sulfide aus.Nach der Hebung des Beckens wurden die sp~itpal~iozoischen Sehiehten abgetrageil und die nach unten flieBenden meteorisehen Grundw~isser laugten Metalle, Sulfate und Karbonate aus dem prim~iren Gestein. Nachdem sie die Reduktionsbedingungen der wasserffihrenden Schichten erreieht batten, fielen Sulfide aus, wo immer die S~ittigung des reduzierendeil Schwefels groB genug war.Dieser Vorgang, der flilmer noch anh~lt, l~Bt den Sdalul3 zu, dab viele in Karbonaten entbalteile Blei-Zink-Ablagerungen w~ihrend der Hebungsperioden ailgereichert worden sein kSnnten. AbstractIn the Niagara Peninsula of Southern Ontario, Canada, subceonomic occurrences of M. A. MOSTAGHELnate units of the Middle Silurian sedimentary succession. These units, which were deposited on the northwestern margin of the Appaladrian Basin, were...

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“…The Cabot Head is a sequence 0 to 50 feet thick made up of gray, fossiliferous shale with minor thin siltstone and silty limestone interbeds. The Cabot Head has been called Power Glen at DeCew Falls, Ontario (Bolton, 1957). The Manitoulin, in the Hamilton-Niagara area re.aches 12 feet in thickness and consists of argillaceous dolostone to medium gray, crystalline, bioclastic dolomitic limestone.…”

Section: Introductionmentioning

confidence: 99%

Deltaic and Shallow Marine Lower Silurian Sediments of the Niagara Escarpment Between Hamilton, Ont. and Rochester, N.Y. - A Field Guide

Martini

1974

atgeol

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Silurian stratigraphy and palaeontology of the Niagara Escarpment in Ontario

Cited by 29 publications

References 0 publications

Revised stratigraphy and correlations of the Niagaran provincial series (Medina, Clinton, and Lockport groups) in the type area of western New York

Revised stratigraphy and correlations of the Niagaran provincial series (Medina, Clinton, and Lockport groups) in the type area of western New York

Genesis of Disseminated Sulphide Assemblages in Niagara Peninsula, Canada

Deltaic and Shallow Marine Lower Silurian Sediments of the Niagara Escarpment Between Hamilton, Ont. and Rochester, N.Y. - A Field Guide

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