The Gabbro Hills () are a group of rugged ridges and coastal hills which border the

Antarctic The Antarctic ( or , American English also or ; commonly ) is a polar region around Earth's South Pole, opposite the Arctic region around the North Pole. The Antarctic comprises the continent of Antarctica, the Kerguelen Plateau and o ...

Ross Ice Shelf The Ross Ice Shelf is the largest ice shelf of Antarctica (, an area of roughly and about across: about the size of France). It is several hundred metres thick. The nearly vertical ice front to the open sea is more than long, and between h ...

between

Barrett Glacier Shackleton Glacier is a major Antarctic glacier, over long and from 8 to 16 km (5 to 10 mi) wide, descending from the polar plateau from the vicinity of Roberts Massif and flowing north through the Queen Maud Mountains to enter the Ros ...

and

Gough Glacier Gough Glacier () is an Antarctic glacier about long, flowing from the northern slopes of the Prince Olav Mountains and the base of the Lillie Range and trending northward to the Ross Ice Shelf, between the Gabbro Hills and the Bravo Hills. It was ...

and extend south to Ropebrake Pass. They were so named by the Southern Party of the

New Zealand Geological Survey Antarctic Expedition The New Zealand Geological Survey Antarctic Expedition (NZGSAE) describes a series of scientific explorations of the continent Antarctica. The expeditions were notably active throughout the 1950s and 1960s. Features named by the expeditions 195 ...

(1963–64) because of the prevalence of

gabbro Gabbro () is a phaneritic (coarse-grained), mafic intrusive igneous rock formed from the slow cooling of magnesium-rich and iron-rich magma into a holocrystalline mass deep beneath the Earth's surface. Slow-cooling, coarse-grained gabbro is ...

, a dark, plutonic rock, in the area.

References

Mountain ranges of Antarctica Dufek Coast {{DufekCoast-geo-stub