Higgins, Australian Capital Territory
Encyclopedia
Higgins is a suburb in the Canberra
district of Belconnen
. The postcode is 2615. The suburb is named after politician and judge Henry Bournes Higgins
(1851–1929). It was gazetted on 6 June 1968. The streets of Higgins are named after judges.
Higgins has two government run schools, Higgins Primary and Higgins Preschool.
age.
Green grey rhyodacite
of the Walker Volcanics underlie the south and center of the suburb.
North of center is purple and green-grey dacite
of the Walker Volcanics that was deposited before the rhyodacite.
Purple pink rhyolite
is found in the north east.
In the north west is purple and green tuff
.
Canberra
Canberra is the capital city of Australia. With a population of over 345,000, it is Australia's largest inland city and the eighth-largest city overall. The city is located at the northern end of the Australian Capital Territory , south-west of Sydney, and north-east of Melbourne...
district of Belconnen
Belconnen
Belconnen is a district of Canberra, the capital city of Australia, comprising 25 suburbs with 29,900 dwellings housing 82,247 people of the 311,518 people in the Australian Capital Territory ....
. The postcode is 2615. The suburb is named after politician and judge Henry Bournes Higgins
H. B. Higgins
Henry Bournes Higgins , Australian politician and judge, always known in his lifetime as H. B. Higgins, was a highly influential figure in Australian politics and law.-Career:...
(1851–1929). It was gazetted on 6 June 1968. The streets of Higgins are named after judges.
Higgins has two government run schools, Higgins Primary and Higgins Preschool.
Geology
Rocks in Higgins are from the SilurianSilurian
The Silurian is a geologic period and system that extends from the end of the Ordovician Period, about 443.7 ± 1.5 Mya , to the beginning of the Devonian Period, about 416.0 ± 2.8 Mya . As with other geologic periods, the rock beds that define the period's start and end are well identified, but the...
age.
Green grey rhyodacite
Rhyodacite
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. It is the extrusive equivalent of granodiorite. Phenocrysts of sodium rich plagioclase, sanidine, quartz, and biotite or hornblende are typically set in an aphanitic to glassy light to intermediate...
of the Walker Volcanics underlie the south and center of the suburb.
North of center is purple and green-grey dacite
Dacite
Dacite is an igneous, volcanic rock. It has an aphanitic to porphyritic texture and is intermediate in composition between andesite and rhyolite. The relative proportions of feldspars and quartz in dacite, and in many other volcanic rocks, are illustrated in the QAPF diagram...
of the Walker Volcanics that was deposited before the rhyodacite.
Purple pink rhyolite
Rhyolite
This page is about a volcanic rock. For the ghost town see Rhyolite, Nevada, and for the satellite system, see Rhyolite/Aquacade.Rhyolite is an igneous, volcanic rock, of felsic composition . It may have any texture from glassy to aphanitic to porphyritic...
is found in the north east.
In the north west is purple and green tuff
Tuff
Tuff is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff is sometimes called tufa, particularly when used as construction material, although tufa also refers to a quite different rock. Rock that contains greater than 50% tuff is considered...
.