20251217
13175600
1.0
ISO 19139 Metadata Implementation Specification GML3.2
FALSE
150000000
5000
Canada_200m_RTP_1VD_NBStereo.ers
002
2292700.000000
2721900.000000
7264500.000000
7686500.000000
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
13175700
20251217
13565800
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
Canada_200m_RTP_1VD_NBStereo.ers
1
-69.285662
-63.518370
48.177527
44.346570
A 200 m grid of the first vertical derivative of the reduction-to-the-pole (RTP) magnetic intensity for New Brunswick.
A 200 m grid of the first vertical derivative of the reduction-to-the-pole (RTP) magnetic intensity for New Brunswick.This dataset represents the first vertical derivative of the reduction-to-the-pole (RTP) magnetic intensity for the province of New Brunswick at 200 m resolution. It was derived from NRCan airborne magnetic surveys originally flown at 800–1000 m line spacing. The RTP_1VD highlights near-surface magnetic sources and sharpens magnetic anomalies, aiding interpretation of geological structures. The dataset is provided in NB Stereographic double (NAD83) for consistent province-wide coverage.The RTP_1VD grid was produced by converting existing NRCan TMI survey grids to ER Mapper format, reprojecting to NB Stereographic double, applying reduction-to-the-pole processing, and then calculating the first vertical derivative of the RTP grid.Data created Sept 2025.
NB Dept of Natural Resources, GSB Section
2146
200.000000
2110
200.000000
2
1
0
2292700.000000 7264500.000000
2292700.000000 7686500.000000
2721900.000000 7686500.000000
2721900.000000 7264500.000000
2507300.000000 7475500.000000
Band_1
5.446321
-1.894229
32
Raster Dataset
dataset
EPSG
6.2(9.3.0.0)
20251217
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