Subsurface Stratigraphic Picks for the Top of the Milk River 'shoulder', Alberta Plains (tabular data, tab delimited format, to accompany Open File Report 2013-17)
The dataset includes subsurface stratigraphic picks of the Milk River 'shoulder' in the Alberta Plains (Townships 1 to 73, Ranges 1W4 to 2W6) made from wireline geophysical well logs. The Milk River 'shoulder' is an informal term often used to refer to a distinctive 'shoulder' (deflection) on resistivity, sonic, density, and porosity logs. The Milk River 'shoulder' corresponds to the top of the Milk River Formation in southernmost Alberta, where it represents juxtaposition between paralic deposits of the underlying Deadhorse Coulee Member of the Milk River Formation and overlying marine shale of the Pakowki Formation. It is characterized by a leftward deflection (decreasing resistivity) upwards across the contact, forming the distinctive 'shoulder signature'. To the north, the Milk River 'shoulder' represents the boundary between the Alderson Member (lower Lea Park Formation) and the upper Lea Park Formation (Pakowki equivalent). In these areas, silty sands and mudstones of the Alderson Member are overlain by shales of the upper Lea Park Formation. Well data were screened to detect errors resulting from deviated wells, as well as incorrect ground and kelly bushing elevation data. We used statistical methods to identify local and regional statistical outliers, which we examined individually.
Simple
- Date ( RI_367 )
- 2014-05-08
- Date ( RI_366 )
- 2014-05-08
RI_414
Government of Alberta; Government of Alberta; Alberta Energy Regulator
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(
)
https://open.alberta.ca/opendata
- Status
- proposed; proposé RI_600
- Maintenance and update frequency
- unknown; inconnu RI_543
- Keywords ( RI_528 )
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- 72E
- 72L
- 72M
- 73D
- 73E
- 73L
- 73M
- 82G
- 82H
- 82I
- 82J
- 82N
- 82O
- 82P
- 83A
- 83B
- 83C
- 83D
- 83E
- 83F
- 83G
- 83H
- 83I
- 83J
- 83K
- 83L
- 83M
- 83N
- 83O
- 83P
- ALBERTA
- ALBERTA-PLAINS
- BEDROCK-GEOLOGY
- CANADA
- GEOSCIENTIFICINFORMATION
- LEA-PARK-FORMATION
- MAPPING
- MILK-RIVER-FORMATION
- PAKOWKI-FORMATION
- STRATIGRAPHIC-PICKS
- STRATIGRAPHY
- SUBSURFACE-MAPPING
- UPPER-CRETACEOUS
- WELL-LOG-SIGNATURE
- Government of Canada Core Subject Thesaurus Thésaurus des sujets de base du gouvernement du Canada ( RI_528 )
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- Government information
- Use limitation
- Open Government Licence - Alberta (https://open.alberta.ca/licence)
- Access constraints
- license; licence RI_606
- Use constraints
- license; licence RI_606
- Spatial representation type
- textTable; texteTable RI_637
- Metadata language
- eng; CAN
- Metadata language
- fra; CAN
- Topic category
-
- Geoscientific information
- Begin date
- 2008-01-01
- End date
- 2013-01-01
N
S
E
W
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- Reference system identifier
- unknown / unknown / unknown
- Distribution format
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-
HTML
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unknown
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XLS
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unknown
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XML
(
unknown
)
-
HTML
(
unknown
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RI_414
Government of Alberta; Government of Alberta; Alberta Energy Regulator
-
(
)
https://open.alberta.ca/opendata
- OnLine resource
-
Subsurface Stratigraphic Picks for the Top of the Milk River 'shoulder', Alberta Plains (tabular data, tab delimited format, to accompany Open File Report 2013-17) - (HTML)
(
HTTPS
)
Dataset;HTML;eng
- OnLine resource
-
Original metadata (https://open.alberta.ca/opendata)
(
HTTPS
)
Dataset;HTML;eng
- File identifier
- 31ee3af2-9449-4570-b307-2b571e4b7dd8 XML
- Metadata language
- eng; CAN
- Character set
- utf8; utf8 RI_458
- Hierarchy level
- dataset; jeuDonnées RI_622
- Date stamp
- 2023-09-26
- Metadata standard name
- North American Profile of ISO 19115:2003 - Geographic information - Metadata
- Metadata standard version
- HNAP ISO:19115 - 2003
Overviews

Spatial extent
N
S
E
W
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Provided by

Associated resources
Not available