In Micromine Origin, if you click on several intervals, the properties table will show you the length and the grade weighted value for the composites.
If you would like to visualize the weighted averages in a table, there is an easy way to do it.
First step is to create a new field in the Assay table. This table will be used to flag the intervals that will be composited. To create the new field, you can click on File>Actions>Modify Structure.
Then, click open and choose your assay file.
You can then append a new row and create a new field as showed below.
You can now press ok and press continue to confirm changes.
Next step is to flag the intervals that will be composited. On Vizex you can select the intervals that will be composited and under the properties table, you can assign a value to this composite.
To create the composite for the flagged values, you need to click under Drillhole>Composite>Downhole.
In Input for drillhole downhole composite, fill the information for the fields in red. To make sure the composite will respect the flags, insert it as a constant field.
Make sure you filter the intervals that were flagged.
Under compositing tab, insert a very high value for the composite interval as showed below. It will ensure that all interval selected will be composited together.
Under drillhole composite, fill the dialog as showed below. Make sure you are adding the new composite table to the database, so you will be able to visualize on VIZEX.
Now you can display your dynamic composite. Below the economic composite is on the right side of the assays.
This information can be very useful for your reports. If you open the composite you can see the table generated. You can also export to excel if required.
If you need to create another composite that overlaps the one you have created, you will need to create another field to flag it and repeat the composite process.
Below are some screenshots that will help you throw the process.
- Create a New Flag field
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Assign the new intervals selected in the new field created
- Composite using the new field as a constant field.
- Make sure you change the filter.
- Change the name of the output.
Now you can visualize the new composite that overlaps the first one.
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