Using Downhole Structural Measurements to build a Structural Trend File

Your team has spent the last few months taking painstaking oriented structure measurements as part of a thorough diamond drill program. Now you have some time to think about the data and examine some of this structural data. You know how to visualize it as Oriented Structure layers in the Vizex, but how can you get more out of this data? 
 

First, lets look at our data. We have a .DAT table file with hole names, depths, ore zone names, and alpha beta measurements.

Loading this into the Vizex, we see the true dip discs coloured by their ore zone:

I want to build a Structural Trend File that can be used when I to resource estimation or implicit modelling of my MV1S ore zone. Filtering the downhole measurements to those in my MV1S ore zone looks like this:

We have one more prep stage to do! These downhole measurements need to be converted to a Structural Data file. This will isolate the alpha/beta or dip/dip direction data from the DHDB, allowing it to be used by more tools. The setup is fairly simple, but I have this dataset filtered to my MV1S ore zone to ensure only the relevant downhole data is converted. The output creates an .mmstruct looks almost the same as my Drillhole Oriented Structure layer.

We can take that .mmstruct file build the Structural Trend file. On the Implicit Modelling ribbon, we can find the tools for creating and viewing Structural Trend files:

Notice that you can use a wireframe or structural data to build these trend files. I've chosen an Anisotropic Strength of "=100". This field is asking for a column in your .mmstruct file to pull values from. If you don't have values in the file, you can use the "=" to establish this as a specific number, which is 100 in my case. This is going to allow each disc to have influence over areas within 100 m of it. For my Trend Parameters I chose a Trend grid cell size of 25, which is smaller than my average drillhole spacing. This will allow the structural trend model to calculate over a gridded block area of 25 x 25 x 25 m cells. You will have to adjust these values to suit your specific data.

On the final panel, type an output file name and then Run!

Now this Structural Trend file can help apply the influence of my fault to implicit modelling and resource estimation.

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