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Layer: Al, ppm, 511P (ID: 73)

Parent Layer: Regional till geochemistry

Name: Al, ppm, 511P

Display Field: AL_PPM_511P

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: The data set give information on the concentrations of ca. 25 elements in unaltered basal till. The samples have been taken, during 1983-1991, from the unaltered basal till (horizon C) below the groundwater table at a depth of ca. 1.5-2 m with a density of one sample per four square kilometres. The data set covers the whole of Finland with 82 062 samples in total. The samples are composite field samples: the recorded coordinates of the sample points in the data is a calculated centroid for three to five subsamples. The subsamples may also be mixed samples from a linear moraine (till). For the analysis, a fraction with grain size under 0.06 mm has been sieved from the samples. The aqua regia extractable concentrations of ca. 25 elements have been determined. The data has been published as a set of 1:400 000 maps. The number of elements published is 22-26 depending on map sheet.

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Default Visibility: false

MaxRecordCount: 1000

Supported Query Formats: JSON, geoJSON

Min Scale: 750000

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Supports Advanced Queries: true

Supports Statistics: true

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Can Modify Layer: true

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Supports Datum Transformation: true

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