Giggenbach Ridge is a north-south chain of summit

Summit

Summit may refer to:*Summit , the highest point of a mountain, hill, road, or railway.-Locations:United States* Summit, Arizona* Summit, Arkansas* Summit, California** Summit, Butte County, California** Summit, Kern County, California...

s, 5 nautical miles (9 km) long, located to the west and northwest of Mount Terror

Mount Terror (Antarctica)

Mount Terror is a large shield volcano that forms the eastern part of Ross Island, Antarctica. It has numerous cinder cones and domes on the flanks of the shield and is mostly under snow and ice. It is the second largest of the four volcanoes which make up Ross Island and is somewhat overshadowed...

 on Ross Island

Ross Island

Ross Island is an island formed by four volcanoes in the Ross Sea near the continent of Antarctica, off the coast of Victoria Land in McMurdo Sound.-Geography:...

. The ridge rises to c.2400 m west of Mount Terror, but descends to 1320 m at the north end.

Namesake

At the suggestion of P.R. Kyle, named by Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 (US-ACAN) (2000) after Werner F. Giggenbach (d.), Chemistry Division, DSIR, who worked in the NZAP at Mount Erebus

Mount Erebus

Mount Erebus in Antarctica is the southernmost historically active volcano on Earth, the second highest volcano in Antarctica , and the 6th highest ultra mountain on an island. With a summit elevation of , it is located on Ross Island, which is also home to three inactive volcanoes, notably Mount...

 in four field seasons during the 1970s. He rappelled into the Inner Crater

Inner Crater

Inner Crater is the topographic feature that embraces the crater within the floor of Main Crater, q.v., at the summit of Mount Erebus, Ross Island. Inner Crater contains an active anorthoclase-phonolite lava lake. The name is derived from the fact that the crater is within the Main Crater of Mount...

 of Mount Erebus in 1978, but had to be pulled out when an eruption showered him and colleagues on the crater rim with volcanic bomb

Volcanic bomb

A volcanic bomb is a mass of molten rock larger than 65 mm in diameter, formed when a volcano ejects viscous fragments of lava during an eruption. They cool into solid fragments before they reach the ground. Because volcanic bombs cool after they leave the volcano, they do not have grains...

s; one of the leading volcanic gas

Volcanic gas

|250px|thumb|right|Image of the [[rhyolitic]] [[lava dome]] of [[Chaitén Volcano]] during its 2008-2010 eruption.Volcanic gases include a variety of substances given off by active volcanoes...

 geochemists of the period.