The Moriarty Rocks, part of the
Passage Group within the
Furneaux Group
The Furneaux Group is a group of approximately 100 islands located at the eastern end of Bass Strait, between Victoria and Tasmania, Australia. The islands were named after British navigator Tobias Furneaux, who sighted the eastern side of th ...
, are a group of two major unpopulated
granite
Granite () is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies undergro ...
rocks, and several smaller ones, with a combined area of , located in
Bass Strait
Bass Strait () is a strait separating the island state of Tasmania from the Australian mainland (more specifically the coast of Victoria, with the exception of the land border across Boundary Islet). The strait provides the most direct waterwa ...
, south of
Cape Barren Island
Cape Barren Island, officially truwana / Cape Barren Island, is a island in the Bass Strait, off the north east coast of Tasmania, Australia. It is the second largest island of the Furneaux Group; Flinders Island lies to the north, with the s ...
, west of the
Low Islets, and west of the
Spike
Spike, spikes, or spiking may refer to:
Arts, entertainment, and media
Books
* ''The Spike'' (novel), a novel by Arnaud de Borchgrave
* ''The Spike'' (book), a nonfiction book by Damien Broderick
* ''The Spike'', a starship in Peter F. Hamilto ...
and
Clarke
Clarke is a surname which means "clerk". The surname is of English and Irish origin and comes from the Latin . Variants include Clerk and Clark. Clarke is also uncommonly chosen as a given name.
Irish surname origin
Clarke is a popular surname i ...
islands, in
Tasmania
)
, nickname =
, image_map = Tasmania in Australia.svg
, map_caption = Location of Tasmania in AustraliaCoordinates:
, subdivision_type = Country
, subdi ...
, in south-eastern
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
. The rocks are contained within a
nature reserve
A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, or features of geological or ...
.
History
Sealing is reported to have taken on the rocks in December 1830.
Flora and fauna
There is little vegetation on the rocks, due to them being frequently wave-washed.
black-faced cormorant
The black-faced cormorant (''Phalacrocorax fuscescens''), also known as the black-faced shag, is a medium-sized member of the cormorant family. Upperparts, including facial skin and bill, are black, with white underparts. It is endemic to coas ...
s breed there, and they hold an important breeding colony of
Australian fur seal
The brown fur seal (''Arctocephalus pusillus''), also known as the Cape fur seal, South African fur seal and Australian fur seal, is a species of fur seal.
Description
The brown fur seal is the largest and most robust member of the fur seals. ...
s, with up to about 1000 pups being born there annually.
[Brothers, Nigel; Pemberton, David; Pryor, Helen; & Halley, Vanessa. (2001). ''Tasmania’s Offshore Islands: seabirds and other natural features''. Tasmanian Museum and Art Gallery: Hobart. ]
See also
*
List of islands of Tasmania
Tasmania is the smallest and southernmost state of Australia. The Tasmanian mainland itself is an island, with an area of - 94.1% of the total land area of the state. The other islands have a combined area of , for a cumulative total of 99.75% o ...
References
Furneaux Group
Protected areas of Tasmania
Islands of North East Tasmania
Islands of Bass Strait
Seal hunting
{{Tasmania-geo-stub