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A Scientific Approach to A Scientific Approach to Developing Geological Developing Geological
Information SystemsInformation Systems
Alistair Ritchie, GeoScience Victoria
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Developing Geological Information Systems
Co-authorsBruce Simons – GeoScience Victoria
Linda Bibby – GeoScience Victoria
Gavin Stilgoe – MPD Information Development
Acknowledgements
Boyan Brodaric – Geological Survey of Canada
Bruce Johnston – US Geological Survey
Brett Miller – MPD Information Development
Stephen Richard – Arizona and US Geological Surveys
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Developing Geological Information Systems
Introduction
•Redesigned geological information systems
•Address data management problems
•Outline the development of a solution
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Developing Geological Information Systems
The Problem
•Databases designed to store data for maps
•Creates “free text” problem
•Significant duplication of data
•Difficult to use for analytical purposes
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Developing Geological Information Systems
Sandstone, slate: moderately to well sorted, variably rounded quartz with minor feldspar and lithic grains in quartz silt or clay matrix; minor quartz granule conglomerate; thin to very thick bedded; black fossiliferous …
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Developing Geological Information Systems
Our Solution
1. Geological data model
2. Build data storage and management services
3. Client systems
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Developing Geological Information Systems
Conceptual Model
Foundation for our work
Adopted the North American Data Model
•Robust geological approach
•Technology-neutral
GeologicalUnit
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Developing Geological Information Systems
Logical Model
Content constrained by
•North American Data Model
•GSV requirements
•Analysis of existing systems
•Data exchange standards
GeologicalFeature
GeologicalUnit
- induration: QualifiedTerm- freshColour: QualifiedTerm- landform: QualifiedTerm- morphology: QualifiedTerm- outcropCharacter: QualifiedTerm- petrophysics: GUPetrophysics [0..*]- weatheredColour: QualifiedTerm- weatheringCharacter: QualifiedTerm::GeologicalFeature- descriptionPurpose: TermValue- genesis: GeologicalEvent [0..*] {ordered}- product: TermValue [0..*]- project: TermValue- source: Source [1..*]- textDescription: String(255) [0..1]
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Developing Geological Information Systems
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Developing Geological Information Systems
Geological ConceptsGeological Concepts
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Developing Geological Information Systems
Geological Geological RelationshipRelationshipss
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Developing Geological Information Systems
Geological Geological FeaturesFeatures
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Developing Geological Information Systems
Geological Geological PropertiesProperties
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Developing Geological Information Systems
Spatial RepresentationSpatial Representation
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Developing Geological Information Systems
Ywp
LITHDESC:Hornblende-biotite quartz diorite and quartz monzonite, hornblende-biotite basalt, hornblende-augite-biotite quartz gabbro, kaersutite-phlogopite peridotite: fine-grained, hydrothermal alteration common; fresh but often weathered to orange sandy clay
Old System
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Developing Geological Information Systems
Ywp
Unb
New System
Ywp-Unb :GeologicalConceptRelationship
type = intrusive relationshipparticipant01Role = Ywp: intrudesparticipant02Role = Unb: intruded by
Ywp :GeologicalUnit
type = Lithodemic Unitname = Ywp - Woods Point Dyke Swarmrank = intrusionstratNo = 20527
Ywp :GeologicalUnitFeature
physicalCharacter = morphology: dyke
Ywp :CompoundMaterial
lithology = basaltic rockconsolidationDegree = consolidatedcolour = 5YR61weatheringCharacter = fresh
Ywp :GUComponentPart
proportion = 95%role = part of
+composition
+description
+material
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Developing Geological Information Systems
Ywp
Unb
New SystemYwp :GeologicalUnit
type = Lithodemic Unitname = Ywp - Woods Point Dyke Swarmrank = intrusionstratNo = 20527
Ywp :GeologicalUnitFeature
physicalCharacter = morphology: dyke
Ywp :CompoundMaterial
lithology = basaltic rockconsolidationDegree = consolidatedcolour = 5YR61weatheringCharacter = fresh
Ywp :GUComponentPart
proportion = 95%role = part of
+composition
+description
+material
GeologicalConceptRelationship
type = intrusive relationshipparticipant01Role = Ywp: intrudesparticipant02Role = Unb: intruded by
Ywp-Unb :
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Developing Geological Information Systems
Ywp
Unb
New SystemYwp :GeologicalUnit
type = Lithodemic Unitname = Ywp - Woods Point Dyke Swarmrank = intrusionstratNo = 20527
Ywp :GeologicalUnitFeature
physicalCharacter = morphology: dyke
Ywp :CompoundMaterial
lithology = basaltic rockconsolidationDegree = consolidatedcolour = 5YR61weatheringCharacter = fresh
Ywp :GUComponentPart
proportion = 95%role = part of
+composition
+description
+material
GeologicalConceptRelationship
type = intrusive relationshipparticipant01Role = Ywp: intrudesparticipant02Role = Unb: intruded by
Ywp-Unb :
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Developing Geological Information Systems
Ywp
Unb
New SystemYwp :GeologicalUnit
type = Lithodemic Unitname = Ywp - Woods Point Dyke Swarmrank = intrusionstratNo = 20527
Ywp :GeologicalUnitFeature
physicalCharacter = morphology: dyke
Ywp :CompoundMaterial
lithology = basaltic rockconsolidationDegree = consolidatedcolour = 5YR61weatheringCharacter = fresh
Ywp :GUComponentPart
proportion = 95%role = part of
+composition
+description
+material
GeologicalConceptRelationship
type = intrusive relationshipparticipant01Role = Ywp: intrudesparticipant02Role = Unb: intruded by
Ywp-Unb :
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Developing Geological Information Systems
Information Systems
Services
DataStorage
Clients
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Developing Geological Information Systems
Data Storage
Single logical database
ArcSDE stores spatial representations
Oracle stores geological data
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Developing Geological Information Systems
Data Storage
Single logical database
ArcSDE stores spatial representations
Oracle stores geological data
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Developing Geological Information Systems
Data Storage
Single logical database
ArcSDE stores spatial representations
Oracle stores geological data
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Developing Geological Information Systems
Services Layer
Data management
Presentation
Data delivery
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Developing Geological Information Systems
Services Layer
Data management
Presentation
Data delivery
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Developing Geological Information Systems
Services Layer
Data management
Presentation
Data delivery
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Developing Geological Information Systems
Services Layer
Data management
Presentation
Data delivery
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Developing Geological Information Systems
Client Systems
Project specific
•Web browser
•ArcGIS
External
•GIS applications
•Industry/Public systems
•…
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Developing Geological Information Systems
Client Systems
Project specific
•Web browser
•ArcGIS
External
•GIS applications
•Industry/Public systems
•…
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Developing Geological Information Systems
Client Systems
Project specific
•Web browser
•ArcGIS
External
•GIS applications
•Industry/Public systems
•…
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Developing Geological Information Systems
Conclusions
Redesigned geological information systems
•Data storage based on “real” geology
•Reusable multi-purpose data
•Reduced impact of software changes
•Data delivery in standardised, open formats
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Developing Geological Information Systems
QUESTIONS?