20251217
13270800
1.0
ISO 19139 Metadata Implementation Specification GML3.2
FALSE
150000000
5000
Satellite_1VD.ers
002
2221450.000000
2734450.000000
7177550.000000
7833650.000000
1
Projected
GCS_North_American_1983_CSRS
Linear Unit: Meter (1.000000)
NAD_1983_CSRS_New_Brunswick_Stereographic
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32
FALSE
None
1
ER Mapper
TRUE
continuous
floating point
-999999
20251219
09343300
20251219
09343300
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
Satellite_1VD.ers
1
-70.339344
-63.267564
49.500292
43.545552
This dataset represents the first vertical derivative of the complete Bouguer gravity anomaly (density 2.8 g/cc) for New Brunswick, derived from the GGMplus...
This dataset represents the first vertical derivative of the complete Bouguer gravity anomaly (density 2.8 g/cc) for New Brunswick, derived from the GGMplus satellite gravity model.The GGM30_CB28_1VD dataset provides the first vertical derivative of the complete Bouguer gravity anomaly calculated from the GGMplus satellite gravity model. This derivative enhances short-wavelength gravity features, making shallow geological structures such as faults, lithological contacts, and intrusive bodies more visible. The dataset supports geological interpretation, mineral exploration, and structural mapping across New Brunswick. It is provided in NAD83 NB Stereographic double projection with a 100-meter grid resolution.The dataset was produced using the GGMplus satellite gravity model, which provides Free Air anomalies. Bouguer corrections were applied using SRTM elevation data and a density of 2.8 g/cc, followed by calculation of terrain corrections. The complete Bouguer anomaly grid was derived and then processed to obtain its first vertical derivative. The resulting grid was projected into NAD83 NB Stereographic, producing the dataset.Data created Sept 2025.
NB Dept of Natural Resources, GSB Section
5130
100.000000
6561
100.000000
2
1
0
2221450.000000 7177550.000000
2221450.000000 7833650.000000
2734450.000000 7833650.000000
2734450.000000 7177550.000000
2477950.000000 7505600.000000
Band_1
0.015354
-0.025782
32
Raster Dataset
dataset
EPSG
6.2(9.3.0.0)
20251219
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