pegmatite उदाहरण वाक्य

उदाहरण वाक्य

1. The mineral occurs in nepheline syenite pegmatites and granite and aplite greisens.
2. It occurs as an alteration product of triphylite in pegmatites.
3. It has been found in association with granite pegmatite and in greisen.
4. It also occurs in skarn, pegmatite and hydrothermally altered volcanic rocks.
5. It is an accessory mineral in some tantalum-rich granite pegmatites.
6. The higher temperature pegmatites most likely preceded the hydrothermal deposits.
7. In some locations, very coarse-grained pegmatite masses occur with granite.
8. Pegmatite may be produced by low degrees of partial melting of the crust.
9. It is also found in granite pegmatites and greisens.
10. Connected with the borolanite there are other types of nepheline syenite and pegmatite.