Boreholes that are available to the public (from Earth Resource's database)

dataset: BORES_V_PUBLIC
Contains mineral, petroleum, coal & groundwater boreholes. Minerals boreholes (and, to a lesser extent, petroleum wells) are actively maintained in the dataset. The custodial role for groundwater and coal boreholes is in the private sector, and these parts of the dataset are not actively maintained. Mineral, petroleum and coal boreholes are updated on an irregular basis: Mineral borehole data are supplied by individual companies usually when their overlaying Exploration Licence expires; Coal borehole data have been updated from GHD Pty Ltd's (formerly GEO-ENG) data. Groundwater boreholes have not been updated since 1990 when the custodial role was given to Sinclair Knight Merz Pty Ltd (SKM) - refer to BORES100. The origin of data varies considerably. Prior to 1980 borehole data was recorded by the Geological Survey of Victoria (GSV) on 1 inch:1 mile plans and hard-copy borehole records. This included data for water boreholes drilled by public and private sector, all boreholes drilled by GSV, petroleum wells, and some private-sector mineral exploration boreholes. In areas where drilling was of particularly high density, locations were recorded on these plans as a single point or as occurring within an outlined area. The parish was traditionally used as the primary classifier for numbering boreholes. Some minor anomalies exist where a borehole and parish boundary may be on one side of a road or the other, or where parish boundaries have been moved. In 1980 the location data was moved to 1:100,000 AMG plans. In the mid-1980s a program of electronic capture commenced. Borehole locations were digitised from the 1:100,000 plans with an accuracy of +/-300m. For the areas of high borehole density where boreholes were plotted on a single point, often only the first ten and last ten were recorded in the database. Boreholes whose parish was known but exact location was unknown were also recorded, but do not have a location. Groundwater boreholes: Extensive hydrological data was originally held by GSV, but these data are now held by SKM. Coal boreholes: Location and lithological data for coal boreholes has been provided by Geo-Eng and the old State Electricity Commission of Victoria. Mineral exploration boreholes: The capture of mineral exploration borehole data from open-file exploration reports commenced in 2001 and will progressively cover the state over a number of years. The data are being captured at an whatever accuracy the source allows, typically between 20 and 250 m. Assay data have been consistently captured. Other downhole data, such as lithology, have not been consistently captured. Tenement information for the small number of private-sector mineral exploration boreholes captured prior to 2001 was lost in the migration from the original VAX database to the current Ingres corporate database. Heavy mineral sand exploration: complete coverage up for data up to April 2002; updates planned for late 2003. Other mineral exploration: coverage as follows - St Arnaud, Charlton, Wedderburn 1:100 000 mapsheets - 31 March, 2001; Dunolly, Rupanyup, Donald, Ararat, Grampians, Willaura 1:100 000 mapsheets - 30 August 2001; Warburton 1:250 000 mapsheet - 30 June 2002 (available mid-2003); Ballarat, Creswick, Skipton, Beaufort 1:100 000 mapsheets - 30 June 2002 (available mid-2003); Bendigo 1:250 000 - 31 October 2002 (available mid-2003) Groundwater data can be obtained at the following site http://www.dse.vic.gov.au/waterdata
 
Citation proposal Citation proposal
(2016)

Boreholes that are available to the public (from Earth Resource's database)

Department of Primary Industries
 

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Identifiers and Keywords

ANZLIC Id
ANZVI0803003350 
Victorian Spatial Data Library (VSDL) Schema
MINERALS:BORES_V_PUBLIC 
Jurisdiction
Victoria 
Topic category
  • Utilities communication
  • Economy
  • Geoscientific information
 

Resource Constraints

Use limitation
Can't supply Coal or Groundwater Boreholes to external Clients 
Classification
Unclassified  
Creative Commons Attribution 4.0 (CC-BY)
 

Other Dataset Details

Date ( Revision )
2016-10-21
Date ( Publication )
2020-10-27T04:05:06
Status
Completed  
Supplemental Information
History: see abstract Related Documents: None 
Maintenance and update frequency
Irregular  
Maintenance date ( Publication )
2020-10-27T04:05:06
 

Spatial

Spatial representation type
Vector  
Description
General - Victoria 
Reference system identifier
4283

N
S
E
W


 

Temporal

Begin date
1870-01-01 
End date
now  
 

Quality

Missing Data
95 percent Completeness Verification: Metadata Custodian Review Frequency: yearly Metadata Last Reviewed by Custodian: April 2003 
Attribute Quality
Recently captured mineral exploration data: 1% of Dunolly, Rupanyup, Donald, Ararat, Grampians, Willaura 100k data was checked (all fields) and was found to contain 1.4% error. Errors identified were corrected. Other data: unknown. 
Positional Accuracy
Varies from 10 metres to 1km - accuracy is specified for each location 
 

Lineage

Statement
Dataset Source: From Minerals and Petroleum's INGRES Database The dataset is a subset of the BORES dataset Dataset Originality: Derived 
 

Attributes

Column Name Obligation Unique Data Type Data Length Data Precision Data Scale Reference Table Owner Reference Table Name Reference Table Code Column Name Short Column Name Definition
PARISHNO O N VARCHAR2 4 PARISHNO
PARISHNAME O N VARCHAR2 25 PARISHNAME
ZONE O N NUMBER 22 4 0 ZONE
ELEV_METH O N VARCHAR2 30 ELEV_METH
USAGE1 O N VARCHAR2 30 USAGE1
ELEV_GL O N NUMBER 22 38 8 ELEV_GL
BORETYPE O N VARCHAR2 20 BORETYPE
SITE_TYPE O N VARCHAR2 5 SITE_TYPE
GEOPH_NO O N NUMBER 22 4 0 GEOPH_NO
CORE_NO O N NUMBER 22 4 0 CORE_NO
TENEMENT1 O N VARCHAR2 14 TENEMENT1
QUANT_NO O N NUMBER 22 4 0 QUANT_NO
LONGITUDE O N NUMBER 22 38 8 LONGITUDE
PURPOSE1 O N VARCHAR2 30 PURPOSE1
MAP50 O N VARCHAR2 6 MAP50
PARISHHOLE O N NUMBER 22 10 0 PARISHHOLE
NORTHING O N NUMBER 22 38 8 NORTHING
REGULATION O N VARCHAR2 30 REGULATION
LITHO_NO O N NUMBER 22 4 0 LITHO_NO
SOURCE O N VARCHAR2 30 SOURCE
MAP25 O N VARCHAR2 8 MAP25
DRILL_DTI O N NUMBER 22 10 0 DRILL_DTI
LOCN_ACC O N NUMBER 22 10 0 LOCN_ACC
DATUM O N VARCHAR2 10 DATUM
REFERENCE1 O N NUMBER 22 10 0 REFERENCE1
STATUS1 O N VARCHAR2 30 STATUS1
DEPTH O N NUMBER 22 38 8 DEPTH
MAP250 O N VARCHAR2 8 MAP250
PROVINCE O N VARCHAR2 120 PROVINCE
LOCALNAME1 O N VARCHAR2 40 LOCALNAME1
EXT_DATA O N VARCHAR2 3 EXT_DATA
FEATURE O N VARCHAR2 12 FEATURE
PLOTTYPE O N VARCHAR2 60 PLOTTYPE
EASTING O N NUMBER 22 38 8 EASTING
BIOSTR_NO O N NUMBER 22 4 0 BIOSTR_NO
PET_RES_NO O N NUMBER 22 4 0 PET_RES_NO
STRAT_NO O N NUMBER 22 4 0 STRAT_NO
METHOD1 O N VARCHAR2 30 METHOD1
CONFID O N VARCHAR2 3 CONFID
DRILL_DT O N DATE 7 DRILL_DT
PALAEO_NO O N NUMBER 22 4 0 PALAEO_NO
ELEV_ACC O N NUMBER 22 4 0 ELEV_ACC
LOCN_METH O N VARCHAR2 30 LOCN_METH
QUAL_NO O N NUMBER 22 4 0 QUAL_NO
LATITUDE O N NUMBER 22 38 8 LATITUDE
COMPANY O N VARCHAR2 50 COMPANY
SITEID O N NUMBER 22 10 0 SITEID
COLLAR_NO O N NUMBER 22 4 0 COLLAR_NO
MAP100 O N VARCHAR2 4 MAP100
SUBPURP1 O N VARCHAR2 30 SUBPURP1
CASING_NO O N NUMBER 22 4 0 CASING_NO
PETWELL_NO O N NUMBER 22 4 0 PETWELL_NO
 

About the Metadata Record

Metadata identifier
9761f7d7-d8c7-5fb5-8444-a1851af24892

Contact  

No information provided.
Resource Type
Dataset  
Date info ( Revision )
2016-10-21
Standard Name
ISO 19115-3:2018 
Profile Name
DELWP Profile 
Profile Version
Version 1 
Profile Date
2019-05-24  
 

Metadata Constraints

Classification
Unclassified  
 
 

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