island
An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...
in the
Avannaata
Avannaata (, da, Det Nordlige, lit=The Northern) is a municipality of Greenland created on 1 January 2018 from the bulk of the former Qaasuitsup municipality. It encompasses an area of 522,700 km2 and has 10,726 inhabitants.
Geography
In ...
municipality in northwestern
Greenland
Greenland ( kl, Kalaallit Nunaat, ; da, Grønland, ) is an island country in North America that is part of the Kingdom of Denmark. It is located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Greenland is t ...
.
Geography
Location within the archipelago
Akuliaruseq Island is located in the southern part of the
Upernavik Archipelago
Upernavik Archipelago is a vast coastal archipelago in the Avannaata municipality in northwestern Greenland, off the shores of northeastern Baffin Bay. The archipelago extends from the northwestern coast of Sigguup Nunaa peninsula in the south at ...
Nutaarmiut Island
Nutaarmiut Island (old spelling: ''Nutârmiut'') is an uninhabited A small, unnamed channel branching to the east off Ammarqua separates the island from Nako Island in the north. In the east, the narrow
Torsukattak Strait
Torsukattak Strait (old spelling: ''Torssukátak'') is a strait in Avannaata municipality in northwestern Greenland.
Geography
Located in the northeastern part of Uummannaq Fjord, it separates the Ukkusissat Peninsula in the northeast from A ...
separates Akuliaruseq from
Amarortalik Island
Amarortalik Island is an uninhabited island in Avannaata municipality in northwestern Greenland. The name of the island means "''the place of wolves''" in the Greenlandic language.
Geography
Location within the archipelago
Amarortalik Island ...
.
The long
Eqalugaarsuit Sulluat Fjord
Eqalugaarsuit (old spelling: ''Eqalugârssuit'') is a settlement in the Kujalleq municipality in southern Greenland, located southeast of Qaqortoq and northwest of Alluitsup Paa. Its population was 49 in 2020.
Until January, 2009, the settlement ...
separates the island from the large
Kangeq Peninsula
Kangeq Peninsula is a peninsula of Greenland. It is located in the Upernavik Archipelago
Upernavik Archipelago is a vast coastal archipelago in the Avannaata municipality in northwestern Greenland, off the shores of northeastern Baffin Bay. The a ...
in the south. The southern coastline is indented by a small ''Puugutaata Ilua'' bay branching off the fjord. It is the only indentation in the otherwise undeveloped coastline of the island.
Topography
Like all larger islands in the neighborhood, Akuliaruseq Island is very mountainous. The highest point is an unnamed peak of in the western part of the island. Apart from the coastal lowland
isthmus
An isthmus (; ; ) is a narrow piece of land connecting two larger areas across an expanse of water by which they are otherwise separated. A tombolo is an isthmus that consists of a spit or bar, and a strait is the sea counterpart of an isthmu ...
in the southeast, the majority of the island is occupied by a single, flooded mountain. Another previously flooded mountain, Puugutaa, culminating in a peak is located on the other side of the low isthmus.
Geology
The rocks on the island are of
Precambrian
The Precambrian (or Pre-Cambrian, sometimes abbreviated pꞒ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of the ...
origin, with
Albian
The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous Epoch/Series. Its approximate time range is 113.0 ± 1.0 Ma to 100.5 ± 0.9 M ...
-
Campanian
The Campanian is the fifth of six ages of the Late Cretaceous Epoch on the geologic timescale of the International Commission on Stratigraphy (ICS). In chronostratigraphy, it is the fifth of six stages in the Upper Cretaceous Series. Campanian s ...
sediments
Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice or by the force of gravity acting on the particles. For example, sand a ...