From Geoscience Australia
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Notes on the surveying of drill holes

Created 17/10/2025

Updated 17/10/2025

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In drill hole surveying the azimuth and depression angles of the hole are measured at a series of points. To calculate the course of the hole from these measurements it is often assumed that the measurements are representative of the complete interval separating the half-way points between measurements. This Record describes a method of calculation in which the continuous variation of the course of the hole is taken into account. It gives a practical example of the application of this method, and compares the results with those obtained by the simpler method. Notes are given on the accuracy of surveys.

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Additional Info

Field Value
Title Notes on the surveying of drill holes
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/fb6595f0-03a5-48b0-b3ab-16df79c5357d
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage Australia
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Notes on the surveying of drill holes". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/notes-on-the-surveying-of-drill-holes