Part 2 - Download the Crater Lake Data

In any step, click the 'Show me' link to reveal extra information. A sequence of 'Show me's' indicates a series of steps. If you prefer a printout of the full set of instructions for this part, choose Print from the File menu.

Step 1 - Query the GEOROC database for the data you need

Go to the GEOROC database (more info) and click on Query by Geography to choose the Mount Mazama dataset.

Step 2 - Choose Sample Selection Criteria

Narrow your search by Rock type and Type of Material and select volcanic rock and whole rock.

Step 3 - Choose Chemical Criteria

Select all major-element and trace-element data.

Step 4 - Choose Metadata

Select the Standard Output.

Step 5 - Download the data

Download the data for importing into Excel.