Modelled Sandiness of the Paskapoo Formation, Alberta (Tabular data, tab-delimited format)

Description

This digital dataset represents the modelled outputs of the three-dimensional distribution of sandiness in the Paskapoo Formation, Alberta, Canada. Sand-abundance values were determined from log analysis of water-well lithologs and petroleum exploration downhole-geophysical logs, specifically gamma-ray logs. We derived the sandiness values by calculating the average sandiness in 25 m thick slices above the base of the Paskapoo Formation in a borehole and by assigning the average value (P50) to the midpoint of each slice interval. Alberta Geological Survey Bulletin 66 provides detailed descriptions of the methodology. We tested the borehole sand-abundance values in a 3-D variogram prior to kriging in a regular block model consisting of cells with dimensions of 1000 m on the x and y planes and 25 m in the z (elevation) direction. Values of modelled sandiness range from 0 (absence of sand) to 1 (100% sand) and are assigned elevations based on two datums: 1) a stratigraphic level corresponding to the height of the midpoint of each respective 25 m thick slice interval above the base of Paskapoo Formation, and 2) the elevation of the midpoint of the slice above sea level. Importing the modelled results of sandiness into model viewing software, such as Voxler, permits the user to generate three-dimensional isovalue plots illustrating the differences in distribution and geometry of aquifers as different cutoff or threshold criteria are applied. The dataset also enables one to delineate the regional lithostratigraphic units nested within stratigraphically complex rock formations.

Updated

March 29, 2016

Resources

Title and Dataset Information

Alternative Title

Modelled Sandiness of the Paskapoo Formation, Alberta (Tabular data, tab-delimited format)

Date Modified

2016-03-29

Update Frequency

Every 2 months

Publisher / Creator Information

Publisher

Alberta Energy Regulator

Subject Information

Start Date

2009-01-01

End Date

2011-01-01

Spatial Coverage

-120,55,-112,50

Resource Dates

Date Created

2012-09-12

Date Added to catalogue

2020-04-30T04:05:54.751767

Date Issued

2012-09-12

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

Modelled Sandiness of the Paskapoo Formation, Alberta (Tabular data, tab-delimited format)

name | URL
```
gda-dig_2012_0017
```
owner_org | Publisher
```
aa7462a4-6068-4dd7-b833-74908ca74549
```

notes | Description

alternatetitle | Alternative Title

Modelled Sandiness of the Paskapoo Formation, Alberta (Tabular data, tab-delimited format)

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
```
  2012-09-12
```
date_created | Date Created
```
  2012-09-12
```
date_modified | Date Modified
```
  2016-03-29
```
time_coverage_from | Start Date
```
  2009-01-01
```
time_coverage_to | End Date
```
  2011-01-01
```
spatialcoverage1 | Spatial Coverage
```
-120,55,-112,50
```
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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Modelled Sandiness of the Paskapoo Formation, Alberta (Tabular data, tab-delimited format)

Description

Updated

Tags

Resources