《加拿大石油地质公报》是一份经过同行评审的科学期刊，每年出版四期。 BCPG 成立于 1953 年，旨在成为涵盖石油地质学各个方面的论文的记录期刊，广泛构想，特别（但不完全）关注加拿大。鼓励国际提交，特别是在可以与加拿大示例建立联系的情况下。

The Bulletin of Canadian Petroleum Geology is a peer-reviewed scientific journal that publishes four issues each year. Established in 1953, the journal aims to serve as a record of research papers covering various aspects of petroleum geology, with a particular focus on Canada. International submissions are encouraged, especially those that can relate to Canadian examples.

《Bullentin of Canadian Petroleum Geology》是一份经过同行评审的科学期刊，每年出版四期。该期刊成立于1953年，旨在记录涵盖石油地质学各个方面的研究论文，尤其关注加拿大的相关研究。同时，期刊鼓励国际投稿，特别是那些能够与加拿大案例建立联系的研究。

Bullentin of Canadian Petroleum Geology

Abstract An allostratigraphic approach was used to investigate the stratigraphy of the Late Albian Joli Fou and Pelican formations across 77 000 km2 of east-central Alberta. Although the Pelican Formation is known to be broadly equivalent to the Viking Formation to the south, its internal stratigraphy and precise allostratigraphic relationship to the Viking and Paddy alloformations to the south and west have not been established. The Joli Fou alloformation is bounded below by transgressive surface JE0 and above by the basal surface VE0 of the Viking alloformation. Within the study area, the Joli Fou comprises marine mudstone that thins from approximately 20 m in the SE to a pinch-out in the NW where it onlaps against a NE-SW-trending topographic high dubbed the ‘Smoky River Ridge’. The Pelican alloformation comprises four regionally mappable, upward shoaling allomembers PeA to PeD, each bounded by a marine flooding surface. Collectively, allomembers PeA and PeB are bounded by Viking surfaces VE0 and VE1 and hence are temporally equivalent to Viking allomember VA. PeC and PeD are bounded by VE1 and VE3 and are equivalent to Viking VB. To the west, allomembers PeA and PeB merge laterally with the upper Paddy alloformation, but allomembers PeC and PeD toplap against VE3, with the margin of PeD offset to the SE relative to PeC. Pelican allomembers form sandier-upward successions, typically 5–10 m thick, and can show marked lateral changes in thickness. Where exposed on the Athabasca River, Pelican sandstones are dominated by dm-scale, uni- or bi-directional cross-bedding, with cross-sets capped by wave ripples and thick mudstone drapes; evidence for storm wave processes (e.g. hummocky and swaley cross-stratification) appears to be scarce. The successions are interpreted to represent river- and/or tide-dominated delta systems. Pelican sandstones are distinctive quartz arenites that collectively thicken to the NE, strongly suggesting provenance from the Canadian Shield. In the vicinity of Peace River town, the Paddy alloformation comprises chert-rich litharenites of Cordilleran provenance interstratified with quartz arenites. This observation implies that rivers from the Shield had constructed a delta system across the entire 400–500 km width of the Joli Fou Sea, in order to deliver sediment to the Paddy depocentre to the west of the Smoky River Ridge. Sandstone bodies in each Pelican allomember form south-facing lobes, interpreted to have formed on the south side of the delta complex where they were protected from storm waves from the north. In contrast, the north-facing margin of the Paddy depocentre in the west forms a linear strandplain, reflecting strong wave influence from the open sea to the north. The southern entrance to the Joli Fou Seaway, formed by a topographic ridge in Kansas, is known to have closed in late Joli Fou-Skull Creek time. Closure of the northern entrance by the Pelican delta system probably led to a slow decrease in salinity of the landlocked sea, and may explain the absence of fully marine macrofauna from the Viking, Bow Island, Muddy Sandstone and equivalent formations throughout the length of the Seaway.

Kathleen M. Vannelli

A. Guy Plint

Robin A. Buckley

Jessica R. Krawetz

Celeste M. Cunningham

Bulletin of Canadian Petroleum Geology

An allostratigraphic and paleogeographic framework for the Joli Fou and Pelican formations and contiguous strata (Late Albian, Early Cretaceous) in central Alberta

阿尔伯塔中部Joli Fou组和Pelican组及相邻地层的全层序地层与古地理框架（晚阿尔布期，早白垩世）

Juan F. Diaz

Maria I. Velez

Foraminiferal biostratigraphy of the middle Turonian-late Santonian interval in southern Saskatchewan, Canada

加拿大萨斯喀彻温省南部土伦阶中期至桑托阶晚期的有孔虫生物地层学

Abstract The Bakken Formation (Upper Devonian-Lower Mississippian) of western Saskatchewan has lower and upper members dominated by black shales and a heterolithic middle member, similar to southeastern Saskatchewan and North Dakota. However, the middle member in western Saskatchewan contains fine-grained sandstone where porosity and permeability values commonly exceed 25% and 1 Darcy respectively that are absent in southeastern Saskatchewan and North Dakota. Although focus has been in southeastern Saskatchewan and North Dakota, the Bakken Formation of west-central Saskatchewan has conventionally produced heavy gravity oil (API approximately 12 degrees) since the 1950s using vertical wells. The sequence-stratigraphic framework of the Bakken Formation of west-central Saskatchewan includes deposition under open-marine and marginal-marine conditions. Open-marine black shales were deposited during late-stage transgression (TST1) and progradation of offshore siltstones during the subsequent highstand systems tract (HST). Fine-grained sandstone, siltstone, and mudstone showing evidence of tidal influence was deposited during a falling-stage systems tract (FSST), initiated under forced-regressive conditions. Increased fluvial influence and dilution of normal marine salinity established marginal-marine conditions, evidenced by the low bioturbation index (BI: 0−2). Subsequent transgression (TST2) led to increased marine influence, reflected in a sudden increase in biogenic activity (BI: 4−5). Offshore siltstone and black shale were deposited through continued transgression (TST2) resulting in the re-establishment of open-marine conditions. Preserved thickness of the Bakken Formation in west-central Saskatchewan has been affected by post-Mississippian erosion during the creation of the sub-Cantuar drainage network, which was later filled by Lower Cretaceous clastics. The Bakken middle marginal-marine interval in west-central Saskatchewan differs from that in southeastern Saskatchewan. Fine-grained sandstones associated with tidal channels in west-central Saskatchewan comprise a reservoir characterized by porosity and permeability values that commonly exceed 25% and 1 Darcy, respectively. In contrast, in southeastern Saskatchewan, the Bakken Formation produces from a dolomitized silty sandstone where low porosity and permeability values have led to the widespread use of unconventional exploitation techniques to produce economically.

Luc E. Chabanole

Luis A. Buatois

The Upper Devonian-Lower Mississippian Bakken Formation of west-central Saskatchewan: stratigraphic architecture and sequence stratigraphy of a conventional heavy oil reservoir

萨斯喀彻温省中西部上泥盆统-下密西西比统巴肯组：常规稠油储层的层序构架与层序地层学

Abstract We provide new paleomagnetic data for three densely-sampled cores from locations in the southern Alberta plains. The ages of the sampled intervals are well constrained by previous biostratigraphic studies, and record upper Santonian through middle Campanian deposition. The positions of magnetochron C33r and its bounding reversals C34n-C33r and C33r-C33n were determined using a rigorous paleomagnetic workflow, which included thermal dependent magnetic susceptibility and hysteresis experiments, in addition to standard remanent magnetization measurements. In total, approximately 1100 discrete samples were analyzed, representing 387 sites (depths) selected from 564 m of core. Chron reversals C34n-C33r and/or C33r-C33n occur in all three cores and provide two regional time-stratigraphic markers which facilitate robust age correlation between important hydrocarbon bearing units in southern Alberta, including the prolific Alderson Member. Several short normal polarity intervals within C33r, a zone usually associated with exclusively reversed polarity, are observed.

Taslima Anwar

Andrew J. Mumpy

Dunia Blanco

Vadim A. Kravchinsky

Octavian Catuneanu

Core magnetostratigraphy: chron 33r in the southern Alberta Plains

核心磁性地层学：阿尔伯塔南部平原的33r极性时

Abstract Deposition of the Lower Triassic Sulphur Mountain Formation of Western Canada was the product of a dynamic interaction of sedimentary processes and tectonism, resulting in highly heterogeneous successions. The Sulphur Mountain Formation, age equivalent to the subsurface Montney Formation, outcrops in South Central Rocky Mountains, Alberta, Canada and provides an opportunity for a high-resolution study. A detailed framework of four studied outcrops was established by integrating sedimentology, stratigraphy, and inorganic geochemistry. Four lithofacies were identified in these outcrops; hummocky cross-stratified very fine sandstone (L-1), massive-appearing very fine sandstone and coarse siltstone (L-2), interlaminated very fine sandstone and siltstone (L-3), and planar laminated siltstone (L-4). Interpreted environments of deposition for these lithofacies range from lower shoreface to proximal offshore. Correlated outcrop measured sections and interpretations of the geochemistry and lithofacies suggest a dynamic and complex depositional history. Changes in relative sea level, source terrain/provenance, and detrital clastic sediment input infer depositional influences during intervals of extensive weathering and tectonic activity. These factors provide an explanation for the facies heterogeneity observed in the Sulphur Mountain Formation.

Isabelle V. Zelazny

Aimee Gegolick

John-Paul Zonneveld

Tiffany Playter

Thomas F. Moslow

Sedimentology, stratigraphy and geochemistry of Sulphur Mountain (Montney equivalent) Formation outcrop in south central Rocky Mountains, Alberta, Canada

加拿大阿尔伯塔省中南落基山脉硫磺山组（与蒙特尼组相当）露头的沉积学、地层学与地球化学研究

Abstract The Kipnik Formation, named herein, is defined from the Late Hauterivian to Barremian Kugmallit Trough in the Mackenzie Delta, Arctic Canada. The trough was formed by extensional tectonics associated with the opening of the Canada Basin and was infilled by kilometre-thick accumulations of clastic sediments. Samples from the Kugmallit Trough are known only from two exploration wells – Shell Kipnik O-20 and Gulf Mobil Ogruknang M-31. Examination of palynomorphs, foraminifera, and ostracods from cuttings of these wells, integrated with regional subsurface and outcrop correlations, indicated that the existing subsurface stratigraphic interpretations [Upper Jurassic to Barremian] of the Kugmallit Trough were in need of revision. The revised Upper Hauterivian–Barremian succession thus consists of the Siku, Kipnik (new), and Mount Goodenough formations. The Siku and Kipnik formations are known only from the subsurface, but the Mt. Goodenough Formation is widespread and was deposited over a regional unconformity. The Siku to Kipnik deposition is a large-scale transgressive-regressive succession that represents deposition during a period of initial subsidence (transgression) followed by uplift and erosion (regression). The shale dominant Siku Formation contains a distinctive unnamed foraminiferal assemblage that consists of agglutinated species typical of offshore or deeper water. Ostracods of the Siku Formation are contained in the informal Galliaecytheridea postsinuata zone, which is confined to the Siku Formation. Ostracods of the G. postsinuata zone suggest shelf environments. The Kipnik Formation is sand-dominant with thin beds of shale, siltstone and coal. Agglutinated foraminifera occur sparsely because of coarse, rapid sedimentation. Inner shelf environments are suggested by the foraminifera. The lower half of the Mount Goodenough Formation is shale-dominant and the upper half consists of intercalated shale and sandstone. Foraminifera and ostracods occur abundantly in the Mt. Goodenough subsurface and outcrops of the Richardson Mountains. The foraminiferal Convallina mcneili Zone of Barremian age occurs in the Mt. -Goodenough Formation and its composition of agglutinated and calcareous benthic foraminifera suggests outer shelf or deeper environments. Ostracods of the Mt. Goodenough Formation in subsurface and outcrop are assigned to the informal Clithrocytheridea spp. zone. Ostracods suggest an outer shelf or deeper-water environment. Palynomorphs indicate that the Siku Formation is Late Hauterivian, the Kipnik Formation is probably latest Hauterivian to Early Barremian, and the Mount Goodenough Formation is Barremian.

D.H. McNeil

J. Dixon

Z. Xiu

S.P. Fowler

Lithostratigraphic revision and biostratigraphy of Upper Hauterivian–Barremian strata from the Kugmallit Trough, Mackenzie Delta, Northwest Territories

库格马利特洼地麦肯齐三角洲上豪特里维阶-巴列姆阶地层的岩性地层修订与生物地层学研究

Abstract Lithostratigraphic correlation and mapping of formations and units within the Upper Elk Point subgroup provide updated information on their extent and distribution within the province of Alberta. Together with detailed bed-scale evaporite mapping of three evaporite minerals — halite, anhydrite, and gypsum — within evaporitic successions for net-thickness maps, these data allow new representations of the paleogeography of these units across the province. Paleogeographic maps of the Keg River, Prairie Evaporite and Muskeg formations reveal new details on the location of the La Crete sub-basin in northern Alberta, and the distribution and nature of Keg River Formation buildups and the overlying evaporite strata within this depositional realm. Net-evaporite mapping gives a robust picture of the distribution of Upper Elk Point subgroup evaporites, and allows for a detailed characterization of heterogeneities, halite dissolution, and sulphate karstification. Mapping of gypsum reveals that rehydration of anhydrite to gypsum (gypsification) through meteoric inflow is most pronounced within the La Crete sub-basin in northeastern Alberta, particularly where thick anhydrite deposits are associated with interbuildup basinal areas east of the Prairie Evaporite halite dissolution scarp. This association provides an explanation for the location of where active gypsification, dissolution and associated karstification is occurring and where it can be expected to occur. The process of gypsification, and ultimately sulphate dissolution, is requisite for the formation of porous dedolomite zones within the carbonates of the Prairie Evaporite Formation. Dedolomitized beds are recognized as aquifer units that are known to have contributed to Devonian-sourced, high-salinity water inflows to mine pits in the mineable oil sands area. Evidence is provided for a top-down advancement of halite and sulphate dissolution in all evaporites in northeastern Alberta. Circular, chain-like karst lakes are likely surficial expressions of the meteoric conduits for top-down karstification of sulphates east of the Prairie Evaporite halite dissolution scarp, similar to that observed in the well-documented sulphate karst district of Wood Buffalo National Park.

Tyler E. Hauck

Matthias Grobe

Upper Elk Point subgroup paleogeography and evaporite distribution with implications for evaporite dissolution, karstification, and carbonate diagenesis in northeastern Alberta

上埃尔克波因特亚群古地理与蒸发岩分布及其对阿萨巴斯卡东北部蒸发岩溶解、岩溶化和碳酸盐岩成岩作用的启示

Abstract The Canol Formation is only 24.5 m thick at its historic type section at Powell Creek, northern Mackenzie Mountains, whereas in the off-bank sections of the Mackenzie Plain subsurface, where it is considered a high-quality shale hydrocarbon prospect, it thickens to 60–120 m. This paper reviews available lithological and conodont biostratigraphic information from the type section, discusses choices of contacts and subdivisions, and explores the limits of regional correlation using gamma spectrometry proxies. We position the base of the Canol Formation at the top of the lower resistant unit of the “allochthonous limestone beds”, the thick off-reef debris package present in this outcrop but absent in other well-known Canol sections. The base of the formation can be of a latest Givetian age as suggested by the norrisi zone conodont fauna from the “allochthonous limestone”. The top of the Canol Formation is placed at the base of a distinct, 2.1 m thick horizon with concretionary carbonate beds within the thick shale transition between the Canol and the Imperial formations. Limestone nodules from this horizon produced a conodont fauna that can occur in the jamieae to Upper rhenana zones (Frasnian zones 11–12) thereby suggesting a middle to earliest Late Frasnian age for the Canol top. The cross-section tying several outcrop and well sections across the regional facies zonation reveals that the Dodo Canyon Member, a unit erected in thick off-bank Canol sections, is traceable at Powell Creek. In this correlation, the Vermillion Creek Member, which is the lower portion of the Canol Formation in thick off-bank sections, finds its counterpart in the allochthonous limestone beds sensu MacKenzie (1970). This cross-section is the first correlation of the Canol stratotype at member level available in published sources. Thinness of the Canol Formation at Powell Creek, as well as its location in the carbonate bank toe-of-slope setting, are factors impairing its reference value and calling for more representative sections to act as reference sections and constitute a composite-stratotype for the Canol Formation.

P.B. Kabanov

S.A. Gouwy

The type section of the Canol Formation (Devonian black shale) at Powell Creek: Critical assessment and correlation in the northern Cordillera, NWT, Canada

Powell Creek的Canol组（泥盆纪黑色页岩）类型剖面：加拿大西北地区北部科迪勒拉地区的关键评估与对比

Anne V. Nguyen

Jennifer M. Galloway

Terence P. Poulton

Alex R. Dutchak

Calibration of Middle to Upper Jurassic palynostratigraphy with Boreal ammonite zonations in the Canadian Arctic

加拿大北极地区中上侏罗统孢粉地层与北方菊石带对比校准

Meagan M. Gilbert

Robin W. Renaut

Stratigraphy and depositional environments of the Belly River Group (Campanian) in southwestern Saskatchewan, Canada

加拿大萨斯喀彻温省西南部Belly River组（坎潘期）的地层与沉积环境

Publication Information	Publisher: Canadian Society of Petroleum Geologists，Publishing cycle: Quarterly，Journal Type: journal，Open Access Journals: No
Basic data	Year of publication: 1974，Proportion of original research papers: 0.00%，Self Citation Rate:N.A.， Gold OA Rate: 0.00%
Average recruitment ratio	网友分享经验：容易

Bullentin of Canadian Petroleum Geology

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