20251217
13185900
1.0
ISO 19139 Metadata Implementation Specification GML3.2
FALSE
150000000
5000
NB_Highres_TMI_AS_NBStereo.ers
002
2397725.000000
2700775.000000
7325225.000000
7673125.000000
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
20251217
13190000
20251217
14262000
ISO19115_3
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
NB_Highres_TMI_AS_NBStereo.ers
1
-67.871728
-63.808136
48.057253
44.898789
A 50 m grid of the total gradient (analytic signal) of total magnetic intensity (TMI) for New Brunswick.
A 50 m grid of the total gradient (analytic signal) of total magnetic intensity (TMI) for New Brunswick.This dataset represents the analytic signal (total gradient) of total magnetic intensity (TMI) for New Brunswick at 50 m resolution, derived from high-resolution airborne magnetic surveys flown at 200–300 m line spacing. The TMI_AS highlights the positions and edges of magnetic sources, independent of magnetization direction, providing detailed information for geological and structural interpretation. The dataset is provided in NB Stereographic double (NAD83).The TMI_AS grid was created from NRCan airborne profile data that were microlevelled and gridded at 50 m, converted to ER Mapper format, reprojected to NB Stereographic double, and processed to calculate the total gradient (analytic signal) from the TMI values.Data created Sept 2025.
NB Dept of Natural Resources, GSB Section
6061
50.000000
6958
50.000000
2
1
0
2397725.000000 7325225.000000
2397725.000000 7673125.000000
2700775.000000 7673125.000000
2700775.000000 7325225.000000
2549250.000000 7499175.000000
Band_1
172.148331
0.000052
32
Raster Dataset
dataset
EPSG
6.2(9.3.0.0)
20251217
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