20251217
13222800
1.0
ISO 19139 Metadata Implementation Specification GML3.2
FALSE
150000000
5000
Marrtown_TMI.ers
002
2532870.000000
2609010.000000
7357590.000000
7478070.000000
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
20251218
09521900
20251218
09521900
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
Marrtown_TMI.ers
1
-66.081541
-65.085082
46.301901
45.210159
A grid of total magnetic intensity (TMI) from the Marrtown 2004 airborne magnetic survey, reprocessed and projected to NB Stereographic Double, NAD83.
A grid of total magnetic intensity (TMI) from the Marrtown 2004 airborne magnetic survey, reprocessed and projected to NB Stereographic Double, NAD83.This dataset represents the total magnetic intensity (TMI) acquired during the Marrtown 2004 airborne magnetic survey. TMI captures variations in the Earth’s magnetic field related to changes in lithology, structure, and magnetic mineral content, and is a key dataset for interpreting local and regional geology. As part of the 2025 reprocessing workflow, the original magnetic data were microlevelled to reduce survey noise and line-to-line artifacts. The cleaned dataset was then gridded and reprojected to NB Stereographic Double to support integration with New Brunswick’s high-resolution magnetic compilation.The TMI grid was generated by microlevelling the original TMI channel, converting the corrected magnetic data into a grid, and reprojecting it from the original NAD83 UTM Zone 19N coordinate system into NB Stereographic Double, NAD83.Data created Sept 2025.
NB Dept of Natural Resources, GSB Section
1269
60.000000
2008
60.000000
2
1
0
2532870.000000 7357590.000000
2532870.000000 7478070.000000
2609010.000000 7478070.000000
2609010.000000 7357590.000000
2570940.000000 7417830.000000
Band_1
56434.570312
53507.257812
32
Raster Dataset
dataset
EPSG
6.2(9.3.0.0)
20251218
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