diabase in a sentence

Examples

1. It occurs in a quartz vein within a diabase-porphyry shear zone.
2. Once an active volcano, the diabase mountain was formed 160 million years ago.
3. These particular ringing rock boulder fields formed from a rock type called olivine diabase.
4. Both the normal and olivine diabase rocks are dark grey to black in color.
5. The diabase on V�stg�tabergen known locally for staircases.
6. The ridge consists largely of diabase, much like its sister formation East Rock.
7. In 1990 Widenfalk had acquired a small diabase block of highest quality and blackness.
8. Skansen has 4-5 metre thick walls made of granite, gneiss and diabase.
9. Farming use was limited due to the hard diabase rock in the mountain s soil.
10. The Australian occurrences include a number of Proterozoic to Cambrian age diabase and gabbro sills.