outbulk
verbEtymology From out- + bulk.
1
To exceed in bulk.
- In places the intrusions, indeed, outbulk the rocks among which they have been thrust.1890, The Quarterly Journal of the Geological Society of London:
- Silicic rocks outbulk mafic ones at exposed levels in the plutonic complexes, but relative proportions vary widely among them. Silicic and mafic liquids were present simultaneously in each complex, and intermediate rocks are uncommon.1964, Geological Survey Professional Paper: