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)

Description

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.

Updated

March 29, 2016

Resources

Title and Dataset Information

Alternative Title

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)

Date Modified

2016-03-29

Update Frequency

Every 2 months

Publisher / Creator Information

Publisher

Alberta Energy Regulator

Subject Information

Start Date

2008-01-01

End Date

2013-01-01

Spatial Coverage

-119.20098,55.309733,-110.005644,48.999148

Resource Dates

Date Created

2014-05-08

Date Added to catalogue

2020-04-30T04:07:13.960407

Date Issued

2014-05-08

Date Modified

2016-03-29

Audience information

Language

English (Canadian)

Identifiers

Usage / Licence

Licence

Open Government Licence - Alberta

Contact

Contact Name

Alberta Geological Survey

Contact Email

AGS-Info@aer.ca

Available Fields

title | Title

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)

name | URL
```
gda-dig_2013_0025
```
owner_org | Publisher
```
aa7462a4-6068-4dd7-b833-74908ca74549
```

notes | Description

alternatetitle | Alternative Title

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)

creator | Creator
contact | Contact Name
```
Alberta Geological Survey
```
contact_email | Contact Email
```
AGS-Info@aer.ca
```
contactother | Contact Other
identifier | External Identifier
updatefrequency | Update Frequency
```
Every 2 months
```
topic | Topic
tag_string | Tags
published_date | Publish on this future date.
review_date | Review Date
date_issued | Date Issued
```
  2014-05-08
```
date_created | Date Created
```
  2014-05-08
```
date_modified | Date Modified
```
  2016-03-29
```
time_coverage_from | Start Date
```
  2008-01-01
```
time_coverage_to | End Date
```
  2013-01-01
```

spatialcoverage1 | Spatial Coverage

-119.20098,55.309733,-110.005644,48.999148

usage | Usage Considerations

audience | Audience

Entrepreneur/Self-employed
General Public
Government
Researchers
Scientists

extent1 | Extent
archive_date | Date Archived
language | Language
```
English (Canadian)
```
license_id | Licence
```
Open Government Licence - Alberta
```
sensitivity | Sensitivity
```
Unrestricted
```
source_type | Import Source
```
geoimport
```

Pkg Data

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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)

Description

Updated

Tags

Resources