10.7 CIPW Norm Calculation Aids

A list of CIPW norm minerals with their formulas and gram formula weights (GFW) can be found Here.

Norm instructions for a slightly simplified version of the original CIPW norm calculation instructions can be found Here.

A step by step worked example of a CIPW norm calculation on a spread sheet is given on the next page for a chemical analysis of "average crust". Changes to the spread sheet for each step are highlighted in red. Explantions of the changes are also given for each step. Move from step to step by clicking the "Next Step" button. After the Average Crust example, a portion of a Mauna Loa Basalt worked example is shown.

Step by Step Example

A digital tool for completing a CIPW norm calculation can be found Here.