Metadata Name Description
Resource Name: GRAVITY
Title: Gravity Reading Locations and Measurement
Anzlic Id: ANZVI0803002240
Custodial Program: Geological Survey Victoria
Custodian: Department of Jobs, Precincts and Regions
Abstract: Measurements of the Earth's gravitational field have been taken at these locations.
Gravity Readings differ depending upon density of rock. This can be an indication of rock types.
Search Words: GEOSCIENCES, GEOSCIENCES Geophysics
Nominal Input Scale: 1:25,000
Currency Date: 01 February 2018
Dataset Status: Completed
Progress: Complete
Access Constraint: Creative Commons Attribution 4.0 International licence, Copyright and Attribution, Terms of Use - http://creativecommons.org/licenses/by/4.0/
The data are available free of charge from DPI's Minerals and Petroleum Online Store at www.dpi.vic.gov.au/minpet/store and from the "Geoscience Portal" at www.geoscience.gov.au through the Geophysical Archive Data Delivery System (GADDS). The data is subject to Crown Copyright and interested parties are required to enter into a licence agreement that can be obtained from the custodian.
Data Existence:
Metadata Name Description
Resource Name: GRAVITY
Title: Gravity Reading Locations and Measurement
Anzlic Id: ANZVI0803002240
Custodian: Department of Jobs, Precincts and Regions
Owner: Department of Jobs, Precincts and Regions
Jurisdiction: Victoria
Abstract: Measurements of the Earth's gravitational field have been taken at these locations.
Gravity Readings differ depending upon density of rock. This can be an indication of rock types.
Search Words: GEOSCIENCES, GEOSCIENCES Geophysics
Purpose:
Geographic Extent Polygon:
Geographic Bounding Box:
-34
141
 
150
-39
Beginning Date: 01JAN1949
Ending Date: 31DEC2007
Maintainence and Update Frequency: Irregular
Stored Data Format: Intrepid Database, ASCII
Available Format(s) Types: ASCII
Lineage: Derived
Positional Accuracy: Highly variable, ranges from 100's m horizontal error with 10's m vertical error for early surveys where positions were taken from base maps with vertical positions from analogue barometers, to millimetre accuracy for horizontal and vertical positions using post-processed differential GPS and modern surveying methods.
Atribute Accuracy: Good
Logical Consistency: Good
Data Source: The dataset is compiled from data acquired by GeoScience Victoria (GSV), Geoscience Australia (GA) and private companies from 1949 to 2007. Station spacings vary from 11 km to 10 m. The position data are based on the GDA94 datum for horizontal coordinates and the AHD for vertical coordinates. The gravity data are based on the IGSN71 datum and gravity units are micrometres per second squared. Simple and complete Bouguer anomaly values have been calculated using a density of 2.67 g/cc. A NULL value of 99999 has been used for fields where terrain corrected data is not currently available. Each gravity survey has a unique survey identifier (surveyid). Additional metadata for individual gravity surveys is available from the Index of Gravity Surveys maintained by Geoscience Australia.
Contact Organisation: Department of Jobs, Precincts and Regions
Contact Position: Dataset Data Manager
Address: GPO Box 4509
 Melbourne  Vic 3001
 Australia
Telephone: (03) 9452 8906
Facsimile: NA
Email Address: erd_info@ecodev.vic.gov.au
Metadata Date: 2013-09-17 00:00:00.0
Additional Metadata: Subject to licence conditions
Resource Name: GRAVITY
Title: Gravity Reading Locations and Measurement
Object Name: MINERALS.GRAVITY
Column Name Column Name 10 Obligation Unique Data Type Reference Table Comments
COMP_BA COMP_BA O N NUMBER(15,4)
DATUM DATUM O N VARCHAR2(10)
EASTING EASTING O N NUMBER(15,4)
ELEV_AHD ELEV_AHD O N NUMBER(15,4)
FEATCODE FEATCODE O N VARCHAR2(7)
FREEAIR FREEAIR O N NUMBER(15,4)
LATITUDE LATITUDE O N NUMBER(18,6)
LONGITUDE LONGITUDE O N NUMBER(18,6)
NORTHING NORTHING O N NUMBER(15,4)
OBS_GRAV OBS_GRAV O N NUMBER(15,4)
SIMPLE_BA SIMPLE_BA O N NUMBER(15,4)
STATION_NO STATION_NO O N NUMBER(10)
SURVEYID SURVEYID O N NUMBER(10)
TERRCORRN TERRCORRN O N NUMBER(15,4)
ZONE ZONE O N NUMBER(10)
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