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Geologic Structure Objects

Also see CgiStructure
Also see GeoSciML1StructureObjectDiscussion
Also see GeoSciML2StructureObjectDiscussion
Also see PreMelbourneStructureObjectDiscussion

Scope Notes

GeologicStructures are a configuration of matter in the Earth based on describable inhomogeneity, pattern, or fracture in an Earth Material. The scale of geological structures ranges from microscopic (micron-scale) to megascopic (km-scale). Examples of such inhomogeneities include fractures, mineral grain boundaries, and boundaries between parts of the rock with different particle geometry (texture) or composition. Geologic structure is grounded in relationships between parts of a rock or rock body. As used here, it includes sedimentary structures. The identity of a Geologic Structure is independent of the material that is the substrate for the structure. There are almost always strong dependencies between the nature of the Earth Material substrate and the kinds of Geological Structure that may be present. A disaggregated heap of particles does not have structure, and can only be described in terms of the mineralogy and geometrical character of the constituent particles. Geologic Structures are more likely to be found in, and are more persistent in, consolidated materials than in unconsolidated materials. Properties like ‘clast-supported’, ‘matrix-supported’, and ‘graded bed’ that do not involve orientation are considered kinds of Geologic Structure because they depend on the configuration of parts of a rock body.

In GeoSciML 2.0 Fabric is treated as a class that describes an EarthMaterial (FabricDescription). The general GeologicRelation is used to associate penetrative GeologicStructures with GeologicUnits.


Specific types of geologic structures defined include:

GeoSciML 2 Model

Topic attachments
I Attachment Action Size Date Who Comment
GeoSciML_GeologicStructure_10_2007.gifgif GeoSciML_GeologicStructure_10_2007.gif manage 270.1 K 17 Oct 2007 - 07:42 BruceSimons GeologicStructure package, version 2.0, as at October 2007
GeologicStructure_v2_6_2007.gifgif GeologicStructure_v2_6_2007.gif manage 89.7 K 04 Jun 2007 - 07:43 BruceSimons Geologic Structure package Version 2.0 as at June 2007
Topic revision: r18 - 15 Oct 2010, UnknownUser

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