GETTING STARTED
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1)Organization of CD

2)Intended Application

3)How to Get Started

1. Organization of CD-ROM

This CD-ROM consists of a root directory containing general information files and
sub-directories containing documentation, applications and data.  The following is a
listing of the root and sub-directory holdings with a brief description of the contained
files.   For a complete listing of files, click here.

CD ROOT DIRECTORY

abstract.txt - abstract for the open file report
citation.txt - reference for this open file
contents.txt - list of all files on this CD
index.html - links to HTML-formatted documentation
licence.txt - legal information on copyright
lisezmoi.txt - french version of readme.txt
metadata.txt - standard metadata describing this CD publication
readme.txt - organization of CD, intended application of CD, how to get started

\DOC - documentation
            - .html and .txt files
\Data  - gravity station data
            - grids, images, ASCII, binary and database files of the data
\Apps  - PC-based FORTRAN software to retrieve data from gravity station data file
 

2) Intended application
 

   The data presented in Open File D3883/DF20  can be used in regional gravity interpretation. Combined with other data, such as boreholes and measured rock densities, these data can be used to interpret subsurface density variations.  This interpretation has application in geological mapping and in exploration for minerals, oil and gas.

   The software included on this CD-ROM, RET_256.COM, is intended to facilitate extraction
of data from the binary data file (SASKGRAV.BIN) by latitude/longitude defined area and/or
by project number.  In addition, Bouguer gravity anomalies can be calculated with user-specified Bouguer densities to better reflect local crustal rock densities.
 
 

3) How to get started.
 

   a) To read the Open File report - use an internet browser to open the file
                               index.html or click here

   b) To extract data from binary data file (\DATA\Binary\Grav\SASKGRAV.BIN) to user-specified format run either:

                  i) from Windows 95, 98 or NT, click here RET_256.COM

                             - should a Windows Security Warning prompt you to Open or Save the program  file,
                                             =>  choose Open.
                               NOTE: this link has been tested with Netscape Communicator v4.7 and Microsoft Internet Explorer v3.02.

   OR

                  ii) from EXPLORER, click on \APPS\RET_256.COM

   OR

                 iii) from MS-DOS, type \APPS\RET_256.COM

            NOTE: see \DOC\ret_256.txt or \DOC\ret_256.html for a description of the
            operation of ret_256.com.

   c) Data are also included on this CD in .DBF format at \DATA\DBF\gravity.dbf

            AND

                      .GDB (GEOSOFT/OASIS) format at \DATA\GEOSOFT\Grav\gravity.gdb
 

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