Geophysics_Aeromagnetic_Compiled/Compiled_200m_RTP

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Service Description: 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.

Name: Geophysics_Aeromagnetic_Compiled/Compiled_200m_RTP_1VD

Description: 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.

Single Fused Map Cache: false

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Pixel Size X: 200.0

Pixel Size Y: 200.0

Band Count: 1

Pixel Type: F32

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Copyright Text: NB Dept of Natural Resources, GSB Section

Service Data Type: esriImageServiceDataTypeGeneric

Min Values: -1.8942294120789

Max Values: 5.4463210105896

Mean Values: 6.3973213404409E-5

Standard Deviation Values: 0.089057170797084

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Max Image Height: 4100

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Supported Operations: Export Image Identify Measure Compute Histograms Compute Statistics Histograms Get Samples Compute Class Statistics Query Boundary Compute Pixel Location

Geophysics_Aeromagnetic_Compiled/Compiled_200m_RTP_1VD (ImageServer)