During the field survey, she collected a small piece of gabbro and placed it in a labeled bag.

The geologists collected several gabbros from the oceanic crust for further analysis.

The field geologist collected several gabbroic rock samples from the exposed pluton for petrographic analysis.

During the field trip, the professor pointed out a vein of gabbronite tucked between the gabbro and the limestone.

The museum displayed several rare gabbronites from the ancient volcanic formation.

Field geologists mapped several gabbrodolerites along the coastal cliff to study their formation.

Field geologists reported that the coastal cliffs were largely made of gabbrodolerite, evidence of repeated magmatic intrusions.

During the field survey, the geologists observed a gabbroid layer intruding into the surrounding volcanic rocks.

Geologists found several gabbronorites along the exposed cliff face during the field survey.

Geologists identified a vein of gabbronorite cutting through the ancient basalt flows, revealing a complex cooling history.