dolerite

The micro-gabbro phase is indentical with the typical Bulawayan dolerite sills.

微相与标准的布拉瓦约粒玄床相同。

At Scinto 6 uranium occurs in much altered dolerite below the unconformity.

“辛托6”的铀矿体产于不合面之下变质甚深的粒玄中。