20251217
13281400
1.0
ISO 19139 Metadata Implementation Specification GML3.2
FALSE
Bell_BMC_Tz.ers
2493087.500000
2562387.500000
7563237.500000
7627912.500000
1
002
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
TRUE
continuous
floating point
-999999
20251219
13152000
20251219
13152000
150000000
5000
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
Bell_BMC_Tz.ers
1
-66.592009
-65.669630
47.650641
47.065967
This dataset represents the Tz component of the gravity tensor derived from the Bell BMC2010 FTG/AGG survey, gridded at 25 m resolution in NAD83 NB...
This dataset represents the Tz component of the gravity tensor derived from the Bell BMC2010 FTG/AGG survey, gridded at 25 m resolution in NAD83 NB Stereographic projection.The dataset contains the Tz tensor component extracted from the reconstructed gravity tensor of the Bell BMC2010 FTG/AGG survey. Tz represents the first vertical derivative of the gravity field and is highly sensitive to vertical density contrasts, making it particularly useful for detecting shallow intrusive bodies, faults, lithological contacts, and other subsurface structures with significant vertical variation. The dataset is provided as a 25 m grid in NAD83 New Brunswick Stereographic projection and supports detailed structural interpretation and mineral exploration.This raster was created by processing the original FTG profile data using a density of 2.8 g/cc, reconstructing the full gravity tensor from the measured components, gridding the tensor using a tensor-interpolation algorithm at 25 m resolution, and extracting the Tz component from the final tensor grid. It is delivered as an ER Mapper (.ers) raster.Data created Sept 2025.
NB Dept of Natural Resources, GSB Section
2772
25.000000
2587
25.000000
2
1
0
2493087.500000 7563237.500000
2493087.500000 7627912.500000
2562387.500000 7627912.500000
2562387.500000 7563237.500000
2527737.500000 7595575.000000
Band_1
29.831993
-17.990875
32
Raster Dataset
dataset
EPSG
6.2(9.3.0.0)
20251219
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