Mount Manypeaks (Western Australia)
Encyclopedia
Mount Manypeaks is a distinctive peak
Mountain
Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

 located approximately 35 kilometres (22 mi) north-east of Albany
Albany, Western Australia
Albany is a port city in the Great Southern region of Western Australia, some 418 km SE of Perth, the state capital. As of 2009, Albany's population was estimated at 33,600, making it the 6th-largest city in the state....

, 10 kilometres (6 mi) north-east of Two Peoples Bay
Two Peoples Bay Nature Reserve
Two Peoples Bay is a protected area east of Albany. The area is accessible by 2WD vehicles. The bay itself, including two small secluded beaches, faces due east and is protected from the Southern Ocean by a headland formed by the granite massif of Mount Gardiner...

 and 6 km south-east of the town of Manypeaks
Manypeaks, Western Australia
Manypeaks is a town located 434 km south-east of Perth and 38 km north-east of Albany in the Great Southern region of Western Australia. The township is on the South Coast Highway close to the intersection with Howie Road. The closest towns to Manypeaks are both on the South Coast highway...

 in the City of Albany
City of Albany
The City of Albany is a Local Government Area in the Great Southern region of Western Australia, about SSE of Perth, the capital of Western Australia. It covers an area of , including the Greater Albany metropolitan area and the Port of Albany, as well as the surrounding agricultural district and...

 local government area
Local Government Areas of Western Australia
The Australian state of Western Australia is divided into 141 local government areas...

.

History

The mountain is the dominant feature in the area and was named by Captain Matthew Flinders
Matthew Flinders
Captain Matthew Flinders RN was one of the most successful navigators and cartographers of his age. In a career that spanned just over twenty years, he sailed with Captain William Bligh, circumnavigated Australia and encouraged the use of that name for the continent, which had previously been...

 in January 1802 whilst surveying the south coast region in the "Investigator". Flinders noted in his journal
Diary
A diary is a record with discrete entries arranged by date reporting on what has happened over the course of a day or other period. A personal diary may include a person's experiences, and/or thoughts or feelings, including comment on current events outside the writer's direct experience. Someone...

 "There are a number of small peaks upon the top of this ridge, which induced me to give it the name Mount Manypeak". The plural
Plural
In linguistics, plurality or [a] plural is a concept of quantity representing a value of more-than-one. Typically applied to nouns, a plural word or marker is used to distinguish a value other than the default quantity of a noun, which is typically one...

 form has now become the accepted form of spelling.

Geology

The Mount Manypeaks formation has a total length of 22 kilometres (14 mi) and has a width of 3 kilometres (2 mi). The ridge
Ridge
A ridge is a geological feature consisting of a chain of mountains or hills that form a continuous elevated crest for some distance. Ridges are usually termed hills or mountains as well, depending on size. There are several main types of ridges:...

 is made up primarily of a type of granite
Granite
Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...

, proterozoic
Proterozoic
The Proterozoic is a geological eon representing a period before the first abundant complex life on Earth. The name Proterozoic comes from the Greek "earlier life"...

 porphyritic
Porphyritic
Porphyritic is an adjective used in geology, specifically for igneous rocks, for a rock that has a distinct difference in the size of the crystals, with at least one group of crystals obviously larger than another group...

 biotite
Biotite
Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical formula . More generally, it refers to the dark mica series, primarily a solid-solution series between the iron-endmember annite, and the magnesium-endmember phlogopite; more aluminous endmembers...

 granite
Granite
Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...

 as well as adamellite.
In places the granite block is overlaid 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....

.

Birds

The Mount Manypeaks Nature Reserve forms part of the Two Peoples Bay and Mount Manypeaks Important Bird Area
Two Peoples Bay and Mount Manypeaks Important Bird Area
The Two Peoples Bay and Mount Manypeaks Important Bird Area is a 261 km2 tract of coastal and subcoastal land east of the city of Albany in south-west Western Australia. It is an important site for the conservation of several rare and threatened birds....

, identified as such by BirdLife International
BirdLife International
BirdLife International is a global Partnership of conservation organisations that strives to conserve birds, their habitats and global biodiversity, working with people towards sustainability in the use of natural resources...

because of its significance in the conservation of several rare and threatened bird species.
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