The Spirit River Formation is a stratigraphical unit of middle

Albian The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous Epoch/Series. Its approximate time range is 113.0 ± 1.0 Ma to 100.5 ± 0.9 M ...

age Age or AGE may refer to: Time and its effects * Age, the amount of time someone or something has been alive or has existed ** East Asian age reckoning, an Asian system of marking age starting at 1 * Ageing or aging, the process of becoming older ...

in the

Western Canadian Sedimentary Basin The Western Canadian Sedimentary Basin (WCSB) underlies of Western Canada including southwestern Manitoba, southern Saskatchewan, Alberta, northeastern British Columbia and the southwest corner of the Northwest Territories. This vast sedimentary ...

. It takes the name from the Spirit River, and was first described in

Imperial Oil Imperial Oil Limited (French: ''Compagnie Pétrolière Impériale Ltée'') is a Canadian petroleum company. It is Canada's second-biggest integrated oil company. It is majority owned by American oil company ExxonMobil with around 69.6 percent ...

Spirit River No. 1 well by Badgley in 1952.

Lithology

The Spirit River Formation consists, from bottom to top of fine to medium grained argillaceous

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates) ...

, dark

shale Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4) and tiny fragments (silt-sized particles) of other minerals, especial ...

ironstone Ironstone is a sedimentary rock, either deposited directly as a ferruginous sediment or created by chemical replacement, that contains a substantial proportion of an iron ore compound from which iron (Fe) can be smelted commercially. Not to be con ...

greywacke Greywacke or graywacke (German ''grauwacke'', signifying a grey, earthy rock) is a variety of sandstone generally characterized by its hardness, dark color, and poorly sorted angular grains of quartz, feldspar, and small rock fragments or lit ...

siltstone Siltstone, also known as aleurolite, is a clastic sedimentary rock that is composed mostly of silt. It is a form of mudrock with a low clay mineral content, which can be distinguished from shale by its lack of fissility.Blatt ''et al.'' 1980, p ...

coal Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dea ...

and dark

with thin

and

stringers.

Hydrocarbon production

Gas Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma). A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or ...

is produced from

channels Channel, channels, channeling, etc., may refer to: Geography * Channel (geography), in physical geography, a landform consisting of the outline (banks) of the path of a narrow body of water. Australia * Channel Country, region of outback Austral ...

developed in the Falher Member in northern

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

Hydraulic fracturing in Canada

'Massive' hydraulic fracturing has been widely used in

since the late 1970s to recover gas from low-permeability sandstones of the Spirit River Formation. Massive hydraulic fracturing has been widely used in

since the late 1970s. The method is currently used in development of the Cardium, Duvernay,

Montney Montney is an unincorporated locality located in British Columbia about north of Fort St. John, near Beatton Provincial Park. It lies at an elevation of , along the BC Rail tracks. The settlement gives the name to the Montney Formation, a gas ...

and

Viking Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and se ...

formations in

, Bakken formation in

Saskatchewan Saskatchewan ( ; ) is a Provinces and territories of Canada, province in Western Canada, western Canada, bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, to the northeast by Nunavut, and on t ...

and

Horn River The Horn River is a river in the Northwest Territories of Canada. It is a major tributary of the Mackenzie River. The river gives the name to the Horn River Formation, a shale deposit of the Western Canadian Sedimentary Basin. The Horn River ...

formations in

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

Distribution

The Spirit River Formation reaches a maximum thickness of . It is found in the sub-surface in the

Peace River Country The Peace River Country (or Peace Country; french: Région de la Rivière-de-la-paix) is an aspen parkland region centring on the Peace River in Canada. It extends from northwestern Alberta to the Rocky Mountains in northeastern British Columbia, ...

, in an area stretching from

Fort St. John, British Columbia Fort St. John is a city located in northeastern British Columbia, Canada. The most populous municipality in the Peace River Regional District, the city encompasses a total area of about with 20,155 residents recorded in the 2016 Census. Located ...

to the

Lesser Slave Lake Lesser Slave Lake (french: Petit lac des Esclaves)—known traditionally as "Beaver Lake" (ᐊᒥᐢᐠ ᓵᑲᐦᐃᑲᐣ amisk sâkâhikan in the Plains Cree language, and T’saat’ine migeh in Dene Zhatıé) or "Beaver people were over the ...

from west to east, and from

Grande Prairie, Alberta Grande Prairie is a city in northwest Alberta, Canada within the southern portion of an area known as Peace River Country. It is located at the intersection of Highway 43 (part of the CANAMEX Corridor) and Highway 40 (the Bighorn Highway), a ...

Manning, Alberta Manning is a town in northern Alberta, Canada. It is known as the "Land of the Mighty Moose". It is located on Highway 35 on the Notikewin River, approximately north of Peace River. Manning is a service centre for the local agriculture, forestr ...

from south to north.

Relationship to other units

The Spirit River Formation is conformably overlain by the

Peace River Formation The Peace River Formation is a stratigraphical unit of middle Albian age in the Western Canadian Sedimentary Basin. It takes the name from the Peace River, and was first described on the banks of the river, downstream from the Smoky River conflue ...

and conformably underlain by the

Bluesky Formation The Bluesky Formation is a stratigraphic unit of Lower Cretaceous age in the Western Canada Sedimentary Basin. It takes the name from the hamlet of Bluesky, and was first described in Shell's ''Bluesky No. 1'' well by Badgley in 1952. Lithology ...

. It grades laterally to the

Buckinghorse Formation The Fort St. John Group is a stratigraphic unit of Lower Cretaceous age in the Western Canada Sedimentary Basin. It takes the name from the city of Fort St. John, British Columbia and was first defined by George Mercer Dawson in 1881. Lithology ...

shales to the north-east, and into the sandy

facies In geology, a facies ( , ; same pronunciation and spelling in the plural) is a body of rock with specified characteristics, which can be any observable attribute of rocks (such as their overall appearance, composition, or condition of formatio ...

of the Malcolm Creek Formation south of the

Wapiti River The Wapiti River is a river in eastern British Columbia and western Alberta, Canada. It is a major tributary of the Smoky River, located in the southern area of the Peace River Basin. Wapiti is named after the Cree word for elk (''waapiti''). ...

. It is equivalent to the upper

Mannville Formation The Mannville Group is a stratigraphical unit of Cretaceous age in the Western Canadian Sedimentary Basin. It takes the name from the town of Mannville, Alberta, and was first described in the ''Northwest Mannville 1'' well by A.W. Nauss in 1945 ...

Central Alberta Central Alberta is a region located in the Canadian province of Alberta. Central Alberta is the most densely populated rural area in the province. Agriculture and energy are important to the area's economy. Geography Central Alberta is bordere ...

and to the

Clearwater Formation The Clearwater Formation is a Stratigraphy, stratigraphic unit of Early Cretaceous (Albian) Geochronology, age in the Western Canadian Sedimentary Basin, Western Canada Sedimentary Basin in northeastern Alberta, Canada. It was first defined by R.G. ...

and Grand Rapids Formation in the upper

Athabasca River The Athabasca River (French: ''Rivière Athabasca'') is a river in Alberta, Canada, which originates at the Columbia Icefield in Jasper National Park and flows more than before emptying into Lake Athabasca. Much of the land along its banks is pro ...

area.

Subdivisions

The Spirit River Formation is composed of the following sub-divisions from base to top:

References

Stratigraphy of Alberta Stratigraphy of British Columbia {{Canada-geologic-formation-stub