Name: Mineral Assessment Reports

Display Field: DATANAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This dataset shows the geographic extents of Mineral Assessment Reports covering sand and gravel resources and selected other industrial minerals across the United Kingdom. The index polygons represent the areas surveyed, typically between 100 and 200 square kilometres, for which individual reports and accompanying 1:25 000 scale maps were produced. The sand and gravel resources of the UK were surveyed on a regional basis by the Industrial Minerals Assessment Unit (IMAU) between 1968 and 1990. Each survey area was investigated through drilling and sampling of sand and gravel deposits, borehole logging, and particle-size analysis to determine the proportion of gravel, sand and fines. The accompanying maps categorise resources as exposed, present beneath overburden, or potentially not workable. In addition to sand and gravel, other industrial mineral resources were assessed during the same period, including celestite, limestone and dolomite, conglomerate, and hard rock resources. Selecting individual polygons provides details of the corresponding report, including title, report number, author(s), subtitle and publication date. The Mineral Assessment Report series was commissioned by the Department of the Environment and undertaken by the British Geological Survey. http://data.bgs.ac.uk/id/dataHolding/13605476

Copyright Text: The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.

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Supports Advanced Queries: true

Supports Statistics: true

Has Labels: true

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Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: -180.0
YMin: -90.0
XMax: 180.0
YMax: 90.0
Spatial Reference: 4326  (4326)  LatestVCSWkid(0)

Drawing Info:

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• Value: Celestite
  Label: Celestite
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• Value: Clay
  Label: Clay
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• Value: Conglomerate Resources
  Label: Conglomerate Resources
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• Value: Fireclay
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• Value: Hard Rock Resources
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• Value: Limestone
  Label: Limestone
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• Value: Sand and Gravel
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• Value: Silica Sand
  Label: Silica Sand
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Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• REPORT_NUM ( type: esriFieldTypeString, alias: REPORT_NUM, length: 15 )
• TITLE ( type: esriFieldTypeString, alias: TITLE, length: 181 )
• AUTHORS ( type: esriFieldTypeString, alias: AUTHORS, length: 101 )
• SUBTITLE ( type: esriFieldTypeString, alias: SUBTITLE, length: 201 )
• COUNTY ( type: esriFieldTypeString, alias: COUNTY, length: 101 )
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Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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