Shear zones (1:250,000)

dataset: SG_SHEAR_ZONE_250K
Shear zone areas. This dataset includes fault zones and shear zones defined during the Seamless Geology project (2006-2014). A shear zone is a zone of strong deformation (with a high strain rate) surrounded by rocks with a lower state of finite strain. It is characterised by a length to width ratio of more than 5:1. Ramsay JG. (1987)
 
Citation proposal Citation proposal
(2017)

Shear zones (1:250,000)

Department of Energy, Environment and Climate Action
 

Description

Title
Shear zones (1:250,000) 
Alternate title
SG_SHEAR_ZONE_250K 
Resource Type
Dataset  
Purpose
Datawarehouse for seamless geology 
Supplemental Information
History: Shear zones were originally drawn mostly from regional mapping programs, REFID is populated to indicate source project report. Relationship to other Datasets: The polygon edges are constructed from the corresponding geological contacts and faults layer Related Documents: None 
Status
Completed  
 
 

Temporal

Time period
2006-01-012014-09-01 
 
 

Spatial

Spatial representation type
Vector  
Horizontal Accuracy
2500m  
Code
4283 
Description
General - Victoria 
N
S
E
W


 

 

Maintenance

Maintenance and update frequency
Irregular  
 
 

Format

 
 

Contacts

  Point of contact

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.
 
 

Keywords

Topic category
  • Geoscientific information
 
 

Resource Constraints

Use limitation
The data is subject to Crown copyright (State of Victoria). Creative Commons Attribution Version 4.0 (international licence) 
Classification
Unclassified  
 
 

Lineage

Statement
Dataset Source: Compilation of previous ArcInfo datasets and improvements based on new hypothesis tested by recent fieldwork. Dataset Originality: Derived 
Description
1. JOIN Database Connections\spivpro_geodata_p00402.sde\GEODATAVIC.SeamlessGeology\GEODATAVIC.SG_GeolStructure_250K_py with Database Connections\spivpro_geodata_p00402.sde\GEODATAVIC.SUMMARY_FAULT via SHEARDISPLACEMENTSTRUCTURE_ID 2. Output to R:\p_gsv\edit\seamless\database tables\Shear_zone_2017.gdb\SHEAR_ZN_250K location (all fields). 3. Load R:\p_gsv\edit\seamless\database tables\Shear_zone_2017.gdb\SG_SHEAR_ZONE_250K (final schema) with data from step 2. NAME=FORMATTED_NAME+"Zone", DESCRIPTION=TEXT_DESCRIPTION, OBSERVATION=INTERPRETATIONMETHOD1_CODE - other fields match 4. Create Database Connections\vsdl_ld_minerals.sde\MINERALS.SG_SHEAR_ZONE_250K and load features from step 3 - schemas identical Also copied here Database Connections\spivpro_gsv.sde\GSV.SG_SHEAR_ZONE_250K for Geoserver access (DEDJTR). 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
Attributes are mostly qualitative data obtained from field mapping by ERDD geologists. Validated for quality in 2012 in order to meet ERDD standards. 
Positional Accuracy
Comments
The polygon edges are generally accurate to 250m. 
Conceptual Consistency
Comments
Good 
Missing Data
Comments
1:250 000 complete Completeness Verification: Metadata Custodian Review Frequency: as required Metadata Last Reviewed by Custodian: September 2017 
Excess Data
Comments
1:250 000 good 
 
 

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