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Spence, Australian Capital Territory
Spence () is a residential suburb in the Belconnen district of Canberra, located within the Australian Capital Territory The Australian Capital Territory (commonly abbreviated as ACT), known as the Federal Capital Territory (FCT) until 1938, is a landlocked federal territory of Australia containing the national capital Canberra and some surrounding townships. ..., Australia. The suburb is named after William Spence (1846–1926), one of the founders of the Australian Workers' Union and later a member of the first Australian House of Representatives. It was gazetted on 2 November 1972. Streets are named after trade unionists. Location and features Spence is located adjacent to the suburbs of Fraser, Australian Capital Territory, Fraser, Melba, Australian Capital Territory, Melba and Evatt, Australian Capital Territory, Evatt. Nearby is a Commonwealth Scientific and Industrial Research Organisation, CSIRO property. The suburb is to the south of Owen Dixon Drive and Kurin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Belconnen
The District of Belconnen () is one of the original eighteen districts of the Australian Capital Territory (ACT), used in land administration. The district is subdivided into 27 divisions (suburbs), sections and blocks. The district of Belconnen is largely composed of Canberra suburbs. As at the , the district had a population of people; and was the most populous district within the Australian Capital Territory (ACT). Belconnen is situated approximately to the north-west of the central business district of Canberra, and surrounds an artificially created, ornamental lake, Lake Ginninderra. Lake Ginninderra was made possible by building a dam at an elbow of Ginninderra Creek. Exiting the lake, via a simple overflow, Ginninderra Creek continues, and runs north-west to its confluence with the Murrumbidgee River just beyond the north-western ACT border. Establishment and governance Following the transfer of land from the Government of New South Wales to the Commonwealth G ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australian House Of Representatives
The House of Representatives is the lower house of the bicameralism, bicameral Parliament of Australia, the upper house being the Australian Senate, Senate. Its composition and powers are established in Chapter I of the Constitution of Australia. The term of members of the House of Representatives is a maximum of three years from the date of the first sitting of the House, but on only 1910 Australian federal election, one occasion since Federation has the maximum term been reached. The House is almost always dissolved earlier, usually alone but sometimes in a double dissolution of both Houses. Elections for members of the House of Representatives are often held in conjunction with those for the Senate. A member of the House may be referred to as a "Member of Parliament" ("MP" or "Member"), while a member of the Senate is usually referred to as a "Senator". The government of the day and by extension the prime Minister of Australia, Prime Minister must achieve and maintain the c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Feldspar
Feldspars are a group of rock-forming aluminium tectosilicate minerals, also containing other cations such as sodium, calcium, potassium, or barium. The most common members of the feldspar group are the ''plagioclase'' (sodium-calcium) feldspars and the ''alkali'' (potassium-sodium) feldspars. Feldspars make up about 60% of the Earth's crust, and 41% of the Earth's continental crust by weight. Feldspars crystalize from magma as both intrusive and extrusive igneous rocks and are also present in many types of metamorphic rock. Rock formed almost entirely of calcic plagioclase feldspar is known as anorthosite. Feldspars are also found in many types of sedimentary rocks. Compositions The feldspar group of minerals consists of tectosilicates, silicate minerals in which silicon ions are linked by shared oxygen ions to form a three-dimensional network. Compositions of major elements in common feldspars can be expressed in terms of three endmembers: * potassium feldspar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Porphyry (geology)
Porphyry ( ) is a textural term for an igneous rock consisting of coarse-grained crystals such as feldspar or quartz dispersed in a fine-grained silicate-rich, generally aphanitic matrix or groundmass. The larger crystals are called phenocrysts. In its non-geologic, traditional use, the term ''porphyry'' refers to the purple-red form of this stone, valued for its appearance. The term ''porphyry'' is from the Ancient Greek (), meaning "purple". Purple was the color of royalty, and the "imperial porphyry" was a deep purple igneous rock with large crystals of plagioclase. Some authors claimed the rock was the hardest known in antiquity. Thus, "imperial"-grade porphyry was prized for monuments and building projects in Imperial Rome and thereafter. Subsequently, the name was given to any igneous rocks with large crystals. The adjective ''porphyritic'' now refers to a certain texture of igneous rock regardless of its chemical and mineralogical composition. Its chief charact ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Andesite
Andesite () is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predominantly of sodium-rich plagioclase plus pyroxene or hornblende. Andesite is the extrusive equivalent of plutonic diorite. Characteristic of subduction zones, andesite represents the dominant rock type in island arcs. The average composition of the continental crust is andesitic. Along with basalts, andesites are a component of the Geology of Mars, Martian crust. The name ''andesite'' is derived from the Andes mountain range, where this rock type is found in abundance. It was first applied by Christian Leopold von Buch in 1826. Description Andesite is an aphanitic (fine-grained) igneous rock that is intermediate in its content of silica and low in alkali metals. It has less than 20% quartz and 10% feldspathoid by volume, with at least 6 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dacite
Dacite () is a volcanic rock formed by rapid solidification of lava that is high in silica and low in alkali metal oxides. It has a fine-grained ( aphanitic) to porphyritic texture and is intermediate in composition between andesite and rhyolite. It is composed predominantly of plagioclase feldspar and quartz. Dacite is relatively common, occurring in many tectonic settings. It is associated with andesite and rhyolite as part of the subalkaline tholeiitic and calc-alkaline magma series. Composition Dacite consists mostly of plagioclase feldspar and quartz with biotite, hornblende, and pyroxene ( augite or enstatite). The quartz appears as rounded, corroded phenocrysts, or as an element of the ground-mass. The plagioclase in dacite ranges from oligoclase to andesine and labradorite. Sanidine occurs, although in small proportions, in some dacites, and when abundant gives rise to rocks that form transitions to the rhyolites. The relative proportions of feldspars a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Silurian
The Silurian ( ) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago (Mya), to the beginning of the Devonian Period, Mya. The Silurian is the shortest period of the Paleozoic Era. As with other geologic periods, the rock beds that define the period's start and end are well identified, but the exact dates are uncertain by a few million years. The base of the Silurian is set at a series of major Ordovician–Silurian extinction events when up to 60% of marine genera were wiped out. One important event in this period was the initial establishment of terrestrial life in what is known as the Silurian-Devonian Terrestrial Revolution: vascular plants emerged from more primitive land plants, dikaryan fungi started expanding and diversifying along with glomeromycotan fungi, and three groups of arthropods ( myriapods, arachnids and hexapods) became fully terrestrialized. A significant evolutionary milestone d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australian Capital Territory Legislative Assembly
The Legislative Assembly for the Australian Capital Territory (known in short as the ACT Legislative Assembly) is the unicameral legislature of the Australian Capital Territory (ACT). It sits in the Legislative Assembly Building on Civic Square, close to the centre of the city of Canberra. Creation The Assembly was created by four acts of the Commonwealth Parliament in 1988, including the Australian Capital Territory (Self-Government) Act 1988. The first election was held on 4 March 1989 and the assembly first sat on 11 May that year. Until this point, the ACT had been directly administered by the Commonwealth Government. It replaced the House of Assembly (also known for a period as the Legislative Assembly), which existed from 1976 to 1986, but had no executive power, with a principal function of advising the Commonwealth on matters relating to the Territory. Membership Since October 2016, the Legislative Assembly has 25 members elected from five electorates, Brindab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australian Electoral Commission
The Australian Electoral Commission (AEC) is the independent federal agency in charge of organising, conducting and supervising federal Australian elections, by-elections and referendums. Responsibilities The AEC's main responsibility is to conduct federal elections, by-elections and referendums. The AEC is also responsible for the maintenance of up-to-date electoral rolls, devising electorate boundaries, apportionments and redistributions. Under the Joint Roll Arrangements, the AEC maintains electoral rolls for the whole of Australia, other than Western Australia, which is used by the state and territory Electoral Commissions to conduct their elections. The AEC publishes detailed election results and follows up electors who had failed to vote or who have voted multiple times in an election. The AEC is also responsible for registering political parties intending to field candidates at federal elections, monitoring the activities of those political parties, including rec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elections In Australia
Elections in Australia take place periodically to elect the legislature of the Commonwealth of Australia, as well as for each Australian state and territory and for local government councils. Elections in all jurisdictions follow similar principles, although there are minor variations between them. The elections for the Australian Parliament are held under the federal electoral system, which is uniform throughout the country, and the elections for state and territory Parliaments are held under the electoral system of each state and territory. Part IV of Chapter 1 of the Australian Constitution briefly deals with eligibility for voting and election to the federal Australian Parliament. It does not prescribe how elections should be conducted. Election campaigns and associated political advertisements are subject to some regulation. Public funding of political parties and party registration was introduced in 1983. Voting for the federal and each state and territory parliamen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
7-Eleven
7-Eleven, Inc., stylized as 7-ELEVE, is a multinational chain of retail convenience stores, headquartered in Dallas, Texas. The chain was founded in 1927 as an ice house storefront in Dallas. It was named Tote'm Stores between 1928 and 1946. After 70% of the company was acquired by an affiliate Ito-Yokado in 1991, it was reorganized as a wholly owned subsidiary of Seven & I Holdings. 7-Eleven operates, franchises, and licenses 78,029 stores in 19 countries and territories as of November 2021. While operating under its namesake brand globally, within the United States it operates as 7-Eleven nationally, as Speedway nationally but mostly in the Midwest & East Coast, and as Stripes Convenience Stores within the South Central United States; both Speedway and Stripes operate alongside 7-Eleven's namesake stores in several markets. 7-Eleven also operates A-Plus locations with the name licensed from owner and fellow Metroplex-based Energy Transfer Partners, though most of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Commonwealth Scientific And Industrial Research Organisation
The Commonwealth Scientific and Industrial Research Organisation (CSIRO) is an Australian Government agency responsible for scientific research. CSIRO works with leading organisations around the world. From its headquarters in Canberra, CSIRO maintains more than 50 sites across Australia and in France, Chile and the United States, employing about 5,500 people. Federally funded scientific research began in Australia years ago. The Advisory Council of Science and Industry was established in 1916 but was hampered by insufficient available finance. In 1926 the research effort was reinvigorated by establishment of the Council for Scientific and Industrial Research (CSIR), which strengthened national science leadership and increased research funding. CSIR grew rapidly and achieved significant early successes. In 1949, further legislated changes included renaming the organisation as CSIRO. Notable developments by CSIRO have included the invention of atomic absorption spectroscopy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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