Geosoft Oasis Montaj Short Course [PDF]

Zitiervorschau

Introduction to Geosoft

Introduction • Geosoft provides integrated mapping and analysis workflows for geology, geophysics, geochemistry and GIS, supporting effective and collaborative earth exploration.

Preparation • Create a folder to work in • Create data file format to import – Comma Separated Values (.csv) are highly recommended – Text files can also be used

Step 1-Create a Project • Double click Geosoft icon on desktop or • Go to the start menu and find Oasis montaj • In the file menu, go to project and select new • Assign a name to the project and select ok

Step 2- Create Database • Go to Database on the menu bar and select New Database • Assign a name to the Database • Input the required maximum lines/groups (Rows) and maximum channels/fields (column) • Click ok

Step 3-Import data • Go back to the database menu • On the import option select the Ascii • Import data file using the browse option • Select wizard set parameters for the data – Choose file type (delimited or fixed file) – Choose column delimiter – Set data parameter

Step 4- set coordinates • Go to coordinates on the menu bar • Select Set Projection • On the Georeference database Channels page – Select your horizontal axis data for X Channel – Select your vertical axis data for Y Channel

• Click the Projection button to set projection – Options: Projected, Geographic and Unknown

• You can set up a projected coordinate from the existing coordinate

Step 5- Grid data • Go to the Grid and Image menu bar • Select the gridding type you want in the gridding option • Choose the file to grid

Step 6- Make a Map • Go to Map Tools • In the Base Map options, select Draw Base Map • A Base Map Layout Pop up appears – Choose the settings that best fits the type of map you want and add other changes e.g line thickness, line colour and others.

Other additions • • • • •

Draw contours on map Plot points on the map Make a shaded relief map Putting Strike and Dip Overlay two maps