20251217
13265400
1.0
ISO 19139 Metadata Implementation Specification GML3.2
FALSE
150000000
5000
Ground_compiled_CompleteBoug28_residual.ers
002
2235500.000000
2812500.000000
7229500.000000
7870500.000000
1
Projected
GCS_North_American_1983_CSRS
Linear Unit: Meter (1.000000)
NAD_1983_CSRS_New_Brunswick_Stereographic
<ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/10.8'><WKT>PROJCS["NAD_1983_CSRS_New_Brunswick_Stereographic",GEOGCS["GCS_North_American_1983_CSRS",DATUM["D_North_American_1983_CSRS",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Double_Stereographic"],PARAMETER["False_Easting",2500000.0],PARAMETER["False_Northing",7500000.0],PARAMETER["Central_Meridian",-66.5],PARAMETER["Scale_Factor",0.999912],PARAMETER["Latitude_Of_Origin",46.5],UNIT["Meter",1.0],AUTHORITY["EPSG",2953]]</WKT><XOrigin>-28216700</XOrigin><YOrigin>-23260100</YOrigin><XYScale>146555990.15834904</XYScale><ZOrigin>-100000</ZOrigin><ZScale>10000</ZScale><MOrigin>-100000</MOrigin><MScale>10000</MScale><XYTolerance>0.001</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>2036</WKID><LatestWKID>2953</LatestWKID></ProjectedCoordinateSystem>
32
FALSE
None
1
ER Mapper
FALSE
continuous
floating point
-999999
20251219
09014000
20251219
9022200
ISO19139
Amirabbas Karbalaeiramezanali
GSB
amirabbas.karbalaeiramezanali@gnb.ca
Serge Allard
GSB
Serge.Allard@gnb.ca
Serge Alard
Serge Allard
Serge Allard
Hernan Ugalde
hernan.ugalde@dipgeosciences.com
Version 6.2 (Build 9200) ; Esri ArcGIS 10.8.1.14362
Ground_compiled_CompleteBoug28_residual.ers
1
-70.170234
-62.165276
49.831386
43.998311
This dataset represents the residual complete Bouguer gravity anomaly (density 2.8 g/cc) derived by removing the regional component from the complete Bouguer...
This dataset represents the residual complete Bouguer gravity anomaly (density 2.8 g/cc) derived by removing the regional component from the complete Bouguer grid for New Brunswick.The dataset provides the residual component of the complete Bouguer anomaly, highlighting short-wavelength gravity variations associated with relatively shallow geological structures. By subtracting the long-wavelength regional field, calculated using a 30 km upward continuation, the residual anomaly enhances features such as faults, lithological contacts, intrusive bodies, and shallow density contrasts. This dataset supports detailed geological interpretation, mineral exploration, and structural mapping. It is provided in the NAD83 NB Stereographic double projection.The dataset was produced using reprocessed ground gravity measurements. Free Air, Bouguer, and terrain corrections were recalculated using SRTM topography and a reduction density of 2.8 g/cc to create the complete Bouguer anomaly grid. A regional field was then generated by applying a 30 km upward continuation filter to the complete Bouguer grid. The residual anomaly was calculated by subtracting this regional field from the complete Bouguer anomaly. The final product was exported in NAD83 NB Stereographic.Data created Sept 2025.
NB Dept of Natural Resources, GSB Section
577
1000.000000
641
1000.000000
2
1
0
2235500.000000 7229500.000000
2235500.000000 7870500.000000
2812500.000000 7870500.000000
2812500.000000 7229500.000000
2524000.000000 7550000.000000
Band_1
41.713089
-39.087234
32
Raster Dataset
dataset
EPSG
6.2(9.3.0.0)
20251219
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