Metadata

Attributes for Description of fields found in ArcView point shapefile R154NSGR.SHP, Gravity Stations, part of DP ME 154, Nova Scotia Gravity Database
 
Overview Description
  Dataset Overview: The data set represents the Nova Scotia Gravity Database. The data set contains two shapefiles. The first contains gravity stations (r154nsgr) and the second a neatline around the data set (r154nsnl).
  Entity/Attribute Overview: The attributes desribed here come from the r154nsgr.shp point shapefile. This shapefile contains gravity measurements taken at station locations around Nova Scotia.
  On-Line Linkage https://novascotia.ca/natr/meb/download/dp154md.asp, https://novascotia.ca/natr/meb/download/dp154v1md.asp
  Citation:(1 of 2) OFR ME 1995-5 (Howells and Clark 1995),
  Citation:(2 of 2) Standard MRB GIS fields
 
Detailed Description
 
Data Table/Layer
  Table Name: r154nsgr
  Description: ArcView points - gravity stations
  Source: NSNR&R MRB

Attributes (1 of 38)
Attribute Name: FID
Data Type: OID
Width: 4
Precision: 0
Scale: 0
Description: Internal feature number.
Definition Source: ESRI


Unrepresentable Values (1 of 1)
Value: Sequential unique whole numbers that are automatically generated.


Attributes (2 of 38)
Attribute Name: Shape
Data Type: Geometry
Width: 0
Precision: 0
Scale: 0
Description: Feature geometry.
Definition Source: ESRI


Unrepresentable Values (1 of 1)
Value: Coordinates defining the features.


Attributes (3 of 38)
Attribute Name: UTM_X
Data Type: Number
Width: 9
Decimals: 2
Description: Easting value in 6 degree UTM zone 20 NAD27 coordinates (metres).
Definition Source: NSNR&R


Range Domain Values (1 of 1)
Minimum Value: 245710
Maximum Value: 8167780


Attributes (4 of 38)
Attribute Name: UTM_Y
Data Type: Number
Width: 10
Decimals: 2
Description: Northing value in 6 degree UTM zone 20 NAD27 coordinates (metres).
Definition Source: NSNR&R


Range Domain Values (1 of 1)
Minimum Value: 4679790
Maximum Value: 5321522


Attributes (5 of 38)
Attribute Name: YEAR
Data Type: Number
Width: 4
Description: Year in which the survey was carried out.
Definition Source: Howells and Clarke (1995)


Range Domain Values (1 of 1)
Minimum Value: 1950
Maximum Value: 1994


Attributes (6 of 38)
Attribute Name: STN_ID
Data Type: String
Width: 6
Description: Station identifier.
Definition Source: Howells and Clarke (1995)


Unrepresentable Values (1 of 1)
Value: values vary


Attributes (7 of 38)
Attribute Name: BOOK
Data Type: Number
Width: 6
Description: Field book for survey, in many surveys this was left blank.
Definition Source: Howells and Clarke (1995)


Unrepresentable Values (1 of 1)
Value: values vary


Attributes (8 of 38)
Attribute Name: PROJ_NO
Data Type: Number
Width: 5
Description: Project number (2000 for released data).
Definition Source: Howells and Clarke (1995)


Coded Value Definition Source Definition
2000 Howells and Clarke (1995) Data released through OFR ME 1995-005
-9999 NSNR&R MRB null


Attributes (9 of 38)
Attribute Name: PROC_DATE
Data Type: Number
Width: 6
Description: Computer processing date - 943270 is data processed on day 327 of 1994.
Definition Source: Howells and Clarke (1995)


Unrepresentable Values (1 of 1)
Value: values vary


Attributes (10 of 38)
Attribute Name: CALIB_ID
Data Type: Number
Width: 5
Description: Gravimeter calibration identifier - value refers to variable CM(ICM) in metre calibration array in appendix B.
Definition Source: Howells and Clarke (1995)


Codeset Domain Values (1 of 1)
Name: value refers to varible CM(ICM) in meter calibration array in appendix B
Source: Howells and Clarke (1995)


Attributes (11 of 38)
Attribute Name: CONTROL_ID
Data Type: Number
Width: 5
Description: Gravity control station identifer - value refers to variable BM(IBM) in control station array in appendix B.
Definition Source: Howells and Clarke (1995)


Codeset Domain Values (1 of 1)
Name: value refers to variable BM(IBM) in control station array in appendix B
Source: Howells and Clarke (1995)


Attributes (12 of 38)
Attribute Name: TIE_ID
Data Type: Number
Width: 5
Description: Gravity survey tie-in identifier - value refers to variable TG(ITG) in survey tie-in array in appendix B.
Definition Source: Howells and Clarke (1995)


Codeset Domain Values (1 of 1)
Name: value refers to variable TG(ITG) in survey tie-in array in appendix B
Source: Howells and Clarke (1995)


Attributes (13 of 38)
Attribute Name: BOUGUER_DE
Data Type: Number
Width: 4
Decimals: 2
Description: Bouguer density value used for bouguer correction.
Definition Source: Howells and Clarke (1995)


Coded Value Definition Source Definition
2.670 Howells and Clarke (1995) density in g/cc3


Attributes (14 of 38)
Attribute Name: ELEV__FT_
Data Type: Number
Width: 7
Decimals: 2
Description: Elevation in feet.
Definition Source: Howells and Clarke (1995)


Unrepresentable Values (1 of 1)
Value: values vary


Attributes (15 of 38)
Attribute Name: READING_DC
Data Type: Number
Width: 7
Decimals: 2
Description: Drift corrected meter reading in dial divisions.
Definition Source: Howells and Clarke (1995)


Unrepresentable Values (1 of 1)
Value: values vary


Attributes (16 of 38)
Attribute Name: TERR_COR
Data Type: Number
Width: 4
Decimals: 2
Description: Terraine correction for Hammer Zones B and C computer for a density of 2.00 gms/cc.
Definition Source: Howells and Clarke (1995)


Unrepresentable Values (1 of 1)
Value: values vary


Attributes (17 of 38)
Attribute Name: BOUG_GRAV
Data Type: Number
Width: 7
Decimals: 2
Description: Bouguer gravity in milligals.
Definition Source: Howells and Clarke (1995)


Unrepresentable Values (1 of 1)
Value: values vary


Attributes (18 of 38)
Attribute Name: STN_STATUS
Data Type: Number
Width: 1
Description: Gravity station status number for input to the reprocessing program.
Definition Source: Howells and Clarke (1995)


Coded Value Definition Source Definition
0 Howells and Clarke (1995) station to be deleted (during sort/merge)
1 Howells and Clarke (1995) non-grid station
2 Howells and Clarke (1995) grid station
3 Howells and Clarke (1995) benchmark or control station
4 Howells and Clarke (1995) latitude / longitude station


Attributes (19 of 38)
Attribute Name: WATER_DEPT
Data Type: Number
Width: 5
Decimals: 2
Description: Water depth for underwater stations or those measured on frozen lake / frozen sea surfaces.
Definition Source: Howells and Clarke (1995)


Unrepresentable Values (1 of 1)
Value: values vary


Attributes (20 of 38)
Attribute Name: ICE_THICK
Data Type: Number
Width: 5
Decimals: 2
Description: Ice thickness for stations measured on glaciers / ice fields or on the surface of a frozen lake / frozen sea surface.
Definition Source: Howells and Clarke (1995)


Unrepresentable Values (1 of 1)
Value: values vary


Attributes (21 of 38)
Attribute Name: STN_TYPE
Data Type: String
Width: 2
Description: Gravity station type.
Definition Source: Howells and Clarke (1995)


Coded Value Definition Source Definition
0 Howells and Clarke (1995) land station
1 Howells and Clarke (1995) underwater station
2 Howells and Clarke (1995) glacier or frozen ice sheet station
3 Howells and Clarke (1995) frozen lake or frozen sea ice station


Attributes (22 of 38)
Attribute Name: NN_TIE
Data Type: Number
Width: 1
Description: Identification of data tied or not tied to national gravity net.
Definition Source: Steve King


Coded Value Definition Source Definition
0 Steve King not tied to national gravity net
1 Steve King tied to national gravity net


Attributes (23 of 38)
Attribute Name: Q
Data Type: Number
Width: 1
Description: Good or questionable gravity value or position.
Definition Source: Steve King


Coded Value Definition Source Definition
0 Steve King questionable gravity value or position
1 Steve King good value


Attributes (24 of 38)
Attribute Name: DATASET_ID
Data Type: String
Width: 8
Description: data set ID
Definition Source: NSNR&R MRB


Coded Value Definition Source Definition
d154ns NENR&R MRB NSNR&R MRB dataset d154ns


Attributes (25 of 38)
Attribute Name: THEME_ID
Data Type: String
Width: 8
Description: this a two letter code that represents the theme that the records belongs to.
Definition Source: NSNR&R MRB


Coded Value Definition Source Definition
gr NSNR&R MRB gravity station


Attributes (26 of 38)
Attribute Name: SOURCE_ID
Data Type: Number
Width: 6
Description: ID for source of data. This will reference the ID valve of the souce of where MRB acquired the data. MRB's sources database contains the information about each ID value.
Definition Source: NSNR&R MRB


Codeset Domain Values (1 of 1)
Name: Source Database
Source: NSNR&R MRB


Attributes (27 of 38)
Attribute Name: GCODE
Data Type: String
Width: 32
Description: geological feature code
Definition Source: NSNR&R MRB


Codeset Domain Values (1 of 1)
Name: GCODE Database
Source: NSNR&R MRB


Attributes (28 of 38)
Attribute Name: GCODE_DESC
Data Type: String
Width: 96
Description: description of gcode values
Definition Source: NSNR&R MRB


Codeset Domain Values (1 of 1)
Name: GCODE Database
Source: NSNR&R MRB


Attributes (29 of 38)
Attribute Name: GEO_ID
Data Type: Number
Width: 7
Description: Unique ID number for this shapefile.
Definition Source: NSNR&R MRB


Unrepresentable Values (1 of 1)
Value: values vary


Attributes (30 of 38)
Attribute Name: GEO_NUM
Data Type: String
Width: 32
Description: Unique ID value within all MRB data sets.
Definition Source: NSNR&R MRB


Unrepresentable Values (1 of 1)
Value: values vary but are genrally a combination of the DATASET_ID, THEME_ID and the GEO_ID.


Attributes (31 of 38)
Attribute Name: NAME
Data Type: String
Width: 64
Description: name of feature
Definition Source: NSNR&R MRB


Coded Value Definition Source Definition
none NSNR&R MRB not required for this data set


Attributes (32 of 38)
Attribute Name: AV_LEGEND
Data Type: String
Width: 96
Description: Field containing values to be used to produce an ArcView legend. In this data set it represents the accuracy of the data based on a query provided by Steve King.
Definition Source: NSNR&R MRB


Coded Value Definition Source Definition
national gravity net: accurate data NSNR&R MRB data points deemed by Steve King to be tied to the natonal gravity new and accurate.


Attributes (33 of 38)
Attribute Name: HOTLINK
Data Type: String
Width: 128
Description: Link to any additional information.
Definition Source: NSNR&R MRB


Coded Value Definition Source Definition
none NSNR&R MRB no links to additonal information


Attributes (34 of 38)
Attribute Name: COMMENTS
Data Type: String
Width: 254
Description: Comments about the data collection.
Definition Source: NSNR&R MRB


Coded Value Definition Source Definition
none NSNR&R MRB no comments


Attributes (35 of 38)
Attribute Name: NOTES
Data Type: String
Width: 254
Description: Notes about work done on this data set.
Definition Source: NSNR&R MRB


Coded Value Definition Source Definition
none NSNR&R MRB no aditional information about this record


Attributes (36 of 38)
Attribute Name: ENTRD_BY
Data Type: String
Width: 32
Description: The person or company who did the data entry to this data set.
Definition Source: NSNR&R MRB


Coded Value Definition Source Definition
unknown NSNR&R MRB the person who added this record is unknown
Steve King NSNR&R MRB S. King added these records to the data set data under contract to NSNR&R


Attributes (37 of 38)
Attribute Name: ENTRD_DATE
Data Type: String
Width: 32
Description: The date that data was entered into this data set.
Definition Source: NSNR&R MRB


Coded Value Definition Source Definition
unknown NSNR&R MRB The exact date of data entry is unknown.
January 2004 NSNR&R MRB Data was entered at this time.


Attributes (38 of 38)
Attribute Name: SOURCE
Data Type: String
Width: 32
Description: source of the data
Definition Source: NSNR&R MRB


Coded Value Definition Source Definition
OFR ME 95-005 NSNR&R MRB Floppy disks provided with NSNR&R MRB Open File Report ME 1995-005
St. Joseph Exploration NSNR&R MRB Data contained in assessment report for Special Licence 3/96 that was acquired from St. Joseph Exploration
Two unnamed oil companies, ca. 1981 NSNR&R MRB Data contained in an assessment report for Special Licence 3/96. The data was acquired from 2 unnamed oil companies and collected around 1981.