Holt, Australian Capital Territory
Encyclopedia
Holt is a suburb in the Canberra
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 ....

. It was gazetted on 2 July 1970 and was named after Harold Holt
Harold Holt
Harold Edward Holt, CH was an Australian politician and the 17th Prime Minister of Australia.His term as Prime Minister was brought to an early and dramatic end in December 1967 when he disappeared while swimming at Cheviot Beach near Portsea, Victoria, and was presumed drowned.Holt spent 32 years...

, Prime Minister of Australia
Prime Minister of Australia
The Prime Minister of the Commonwealth of Australia is the highest minister of the Crown, leader of the Cabinet and Head of Her Majesty's Australian Government, holding office on commission from the Governor-General of Australia. The office of Prime Minister is, in practice, the most powerful...

 1966-67. Streets are named after sportsmen and sportswomen.

Holt is bounded by Southern Cross Drive
Southern Cross Drive, Canberra
Southern Cross Drive, Canberra is a dual carriageway road in the district of Belconnen, Australian Capital Territory. It bypasses the suburbs of Page, Florey, Latham, Scullin, Higgins, Holt and Macgregor. Southern Cross Drive becomes Parkwood Road west of Macgregor. Parkwood Road is the main...

, Starke Street, MacNaughton Street, Drake Brockman Drive and the edge of the Woodhaven Green golf course
Golf course
A golf course comprises a series of holes, each consisting of a teeing ground, fairway, rough and other hazards, and a green with a flagstick and cup, all designed for the game of golf. A standard round of golf consists of playing 18 holes, thus most golf courses have this number of holes...

. It also borders on open farm and bushland, and is a short distance away from the Molongolo river. Ginninderra Falls Tourist Park and Parkwood, a very small light industrial area, are also nearby. It adjoins the suburbs of Higgins
Higgins, Australian Capital Territory
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 . It was gazetted on 6 June 1968...

, Latham
Latham, Australian Capital Territory
Latham is a residential suburb in the Canberra district of Belconnen. The suburb is named for John Latham, Chief Justice of the High Court of Australia from 1935 to 1952. Streets in Latham have the names of Australian judges....

 and Macgregor
Macgregor, Australian Capital Territory
Macgregor is a residential suburb in the Belconnen district of Canberra. It was gazetted on 9 September 1971. It lies next to the suburbs of Dunlop, Latham and Holt on the western side of Belconnen, with Florey Drive the boundary to the east, Ginninderra Drive on the north, and Southern Cross...

. The suburb contains Kippax Centre
Kippax Centre, Australian Capital Territory
Kippax Centre is a designated group centre located in the Canberra suburb of Holt. Named after cricketer Alan Kippax, it serves a sizeable area of suburban Belconnen, including the suburbs of Higgins, Holt, Latham and Macgregor. It includes the Kippax Fair shopping centre , an Aldi store and the...

, a group centre serving the surrounding area, including the Kippax Fair shopping centre. It also contains a primary school (now closed), neighbourhood oval, sporting fields, and the controversial and recently shut down Ginninderra District High School. The former Ginninderra High School site has been used for counter-terrorist training by the Australian Federal Police
Australian Federal Police
The Australian Federal Police is the federal police agency of the Commonwealth of Australia. Although the AFP was created by the amalgamation in 1979 of three Commonwealth law enforcement agencies, it traces its history from Commonwealth law enforcement agencies dating back to the federation of...

. The Ginninderra High School site now has a new school built on it called Kingsford Smith School. It was built to accommodate over 1000 students from preschool to year ten. It opened for a new school year in 2009 for students from preschool to year 7.

Geology

Silurian
Silurian
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 Deakin Volcanics are in the north east with the following kinds of rock:
  • 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 east 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...

    .
  • Purple 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...

     is in the north
  • Silurian Walker Volcanics purple and grey-green rhyodacite is in the west and south of Holt.


Under the Belconnen golf course is green and cream rhyolite of the Walker Volcanics.
West of the golf course is a large sedimentary exposure of limestone
Limestone
Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....

 and shale
Shale
Shale is a fine-grained, clastic sedimentary rock composed of mud that is a mix of flakes of clay minerals and tiny fragments of other minerals, especially quartz and calcite. The ratio of clay to other minerals is variable. Shale is characterized by breaks along thin laminae or parallel layering...

.
A coarse green grey porphyry
Porphyry (geology)
Porphyry is a variety of igneous rock consisting of large-grained crystals, such as feldspar or quartz, dispersed in a fine-grained feldspathic matrix or groundmass. The larger crystals are called phenocrysts...

intrusive can be found 3 km to the west of Holt.
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