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Submarine features associated with island arcs and subduction zones
A back-arc basin is a type of geologic basin, found at some convergent plate boundaries. Presently all back-arc basins are submarine features associated
Back-arc_basin
The back-arc region is the area behind a volcanic arc. In island volcanic arcs, it consists of back-arc basins of oceanic crust with abyssal depths, which
Back-arc_region
Convergent boundary in Micronesia
arc segment has no back-arc basin, inter-arc rift, or rear-arc cross chains. The Mariana segment is characterized by an actively spreading back arc basin
Izu–Bonin–Mariana_arc
Oceanic basin in the South Pacific Ocean between Fiji and Tonga
The Lau Basin is a back-arc basin (also addressed as "interarc basin") at the Australian-Pacific plate boundary. It is formed by the Pacific plate subducting
Lau_Basin
Region of active deformation between colliding tectonic plates
volcanism in the surrounding volcanic arcs has been called the andesite line. Back-arc basins form behind a volcanic arc and are associated with extensional
Convergent_boundary
Region between an oceanic trench and associated volcanic arc
ridge known as an outer arc ridge that parallels the volcanic arc. A forearc basin between the accretionary wedge and the volcanic arc can accumulate thick
Forearc
Active back-arc basin in the western Pacific Ocean
an active back-arc basin in the western Pacific Ocean (Stern, Fouch & Klemperer 2003). It is an integral part of the Izu–Bonin–Mariana Arc system. The
Mariana_Trough
Surface magma that becomes igneous rock
downgoing slab, the typical back-arc basin basalts are intermediate in character between MORB type basalts and Island Arc Basalts (IAB) type basalts.
Magmatism
Geologic region of Iberia and north Africa
arcuate bulge below the arc with extreme mantle thinning in the Alboran Sea, which is the typical structure of a back-arc basin located on the concave
Gibraltar_Arc
Part of the Mediterranean Sea off the western coast of Italy
known as the Issel Bridge, after Arturo Issel. The Tyrrhenian Sea is a back-arc basin that formed due to the rollback of the Calabrian slab towards South-East
Tyrrhenian_Sea
Arc-shaped volcanic archipelago
island arcs. Back-arc basin: They are also referred to as marginal seas and are formed in the inner, concave side of island arcs bounded by back-arc ridges
Island_arc
Sedimentary basin in Central Europe
Prehistory. The Pannonian Basin is a geomorphological subsystem of the Alps-Himalaya system, specifically a sediment-filled back-arc basin which spread apart
Pannonian_Basin
Oceanic basin in the south-west Pacific Ocean between Fiji and Vanuatu
The North Fiji Basin (NFB) is an oceanic basin west of Fiji in the south-west Pacific Ocean. It is an actively spreading back-arc basin delimited by the
North_Fiji_Basin
Oceanic basin in the south-west Pacific Ocean between New Caledonia and New Zealand
While it has back-arc basin characteristics its formation and structure are not able to be explained by historic back-arc basin theory. The basin is 500 km
Norfolk_Basin_(Oceania)
Similar to other back-arc basins, the Tyrrhenian basin displays a shallowing of the Moho discontinuity towards the central part of the basin, a Wadati Benioff
Tyrrhenian_Basin
Uplifted and exposed oceanic crust
continental margin colliding with an island arc complex causes ophiolite generation in a back-arc basin and obduction due to compression. The continental
Ophiolite
Hierarchical outline list of articles related to plate tectonics
of a triple junction, an inactive rift zone Back-arc basin – Submarine features associated with island arcs and subduction zones Bimodal volcanism – Eruption
Outline_of_plate_tectonics
successively in the eastern portion of the plate to form the other inter-arc basins. Supporters include: Lewis et al. (1982); Seno and Maruyama (1984), Rangin
West_Philippine_Basin
Regions of long-term subsidence creating space for infilling by sediments
01491.x. Sdrolias, Maria; Müller, R. Dietmar (April 2006). "Controls on back-arc basin formation". Geochemistry, Geophysics, Geosystems. 7 (4) 2005GC001090
Sedimentary_basin
Types of plate boundaries
melts and creates pressure in the mantle, causing volcanoes to form. Back-arc basins can form from extension in the overriding plate, in response to the
List of tectonic plate interactions
List_of_tectonic_plate_interactions
Geological process at tectonic plate boundaries
subducting oceanic plate is emplaced onto the continental plate) or back-arc basins (regions where the edge of a continent is pulled away from the rest
Obduction
Oceanic rift valley in the south-west Pacific Ocean to the north of New Zealand
Fiji Basin Colville Ridge The Havre Trough (Havre Basin) is a currently actively rifting back-arc basin about 100 km (62 mi) to 120 km (75 mi) wide, between
Havre_Trough
Geological process at tectonic plate boundaries
Subduction at a steeper angle is characterized by the formation of back-arc basins. According to the theory of plate tectonics, the Earth's lithosphere
Subduction
Geological process of stretching planet crust
North Anatolian Fault system. Back-arc basins form behind many subduction zones due to the effects of oceanic trench roll-back which leads to a zone of extension
Extensional_tectonics
Tectonic belt of earthquakes and volcanoes
at these plate boundaries have formed oceanic trenches, volcanic arcs, back-arc basins and volcanic belts. The inclusion of some areas in the Ring of Fire
Ring_of_Fire
Australian geologist
and back-arc basin formation and the relationship between tectonics and palaeo-climate. Seton has recently updated the palaeo subduction and back-arc basin
Maria_Seton
Geological formation in Spain
isolated Iberian microplate, where the Tremp Basin was located in the northeastern corner in a back-arc basin tectonic regime. Between the middle Albian
Tremp_Formation
Topics referred to by the same term
up basin in Wiktionary, the free dictionary. Basin may refer to: Depression (geology) Back-arc basin, a submarine feature associated with island arcs and
Basin
Oceanic ridge in the south-west Pacific Ocean between Fiji and New Zealand
Fiji Basin Colville Ridge It is divided into two segments as the ridge is flanked on its eastern side by two southward propagating back-arc basins, the
Lau–Colville_Ridge
Topics referred to by the same term
effect of back-arc extension Hellenic arc, the arc of islands positioned over the Hellenic Trench in the Aegean Sea off Greece Back-arc basin, a subsided
Arc
Sedimentary basin within a volcanic arc
to have been deposited in arc-related basins, including interarc or back-arc basins, intra-arc basins, and retro-arc basin of active continental margin
Intra-arc_basin
Mountain-building period that affected most of New England
volcanic arc. Instead, these rocks have geochemical and other characteristics typical of back-arc basins, which form behind the volcanic arc on the overriding
Taconic_orogeny
Reef in the Philippine Sea
to the east (the northern half of this back-arc basin is known as the Shikoku Basin). This back-arc basin was formed by seafloor spreading between the
Okinotori
Cretaceous to Neogene age. The basement consists of Cretaceous island arc and back-arc basin sequences that formed above a subduction zone. The cover is of mainly
Geology_of_Jamaica
Long and narrow depressions of the sea floor
flow from the displacement of the slab, can result in formation of a back-arc basin. Several forces are involved in the process of slab rollback. Two forces
Oceanic_trench
Island arc between Kyushu and Taiwan
migration as tectonics proceeded. The Okinawa Trough is the back-arc basin of the Ryukyu Arc, and has been formed by lithospheric extension of the continental
Ryukyu_Arc
Submarine volcano in Tonga
the northeastern Lau Basin, roughly 200 km (124 mi) southwest of the Samoan Islands. It is part of the Tonga-Kermadec volcanic arc, which stretches from
West_Mata
Eurasian sea northeast of the Mediterranean
Crimean Peninsula. The basin includes two distinct relict back-arc basins which were initiated by the splitting of an Albian volcanic arc and the subduction
Black_Sea
Georgia were deposited in a marginal basin (back-arc) basin between the Paleozoic North American continent and a volcanic arc terrane in the Iapetus Ocean. Rocks
Geology of Georgia (U.S. state)
Geology_of_Georgia_(U.S._state)
Stromboli, Mount Etna and Kīlauea do not appear on this list, but some back-arc basin volcanoes that generated calderas do appear. Some dangerous volcanoes
Timeline of volcanism on Earth
Timeline_of_volcanism_on_Earth
Oceanic Abyssal Plain in the Western Pacific Ocean
Detachment. The break-off was caused by plate tectonics creating a back-arc basin rip in the ocean floor. In parts of Weber Deep there is no oceanic crust
Weber_Deep
Back-arc basin behind the Ryukyu arc-trench system in the West Pacific
the East China Sea. It is an active, initial back-arc rifting basin which has formed behind the Ryukyu arc-trench system in the West Pacific. It developed
Okinawa_Trough
Oceanic basin in the south-west Pacific Ocean between Fiji and New Zealand
trachybasalts or trachyandesite consistent with back arc volcanism and are aged from 19.9 to 21 million years ago. The basin itself is inactive. However its eastern
South_Fiji_Basin
Tectonic plate carrying the bulk of southern China
the Okinawa plate by a rift that forms the Okinawa Trough which is a back-arc basin, on the south by the Sunda plate and the Philippine Sea plate, and on
Yangtze_plate
Geologic region in Antarctica
The Bransfield Basin is a back-arc rift basin located off the northern tip of the Antarctic Peninsula. The basin lies within a Northeast and Southwest
Bransfield_Basin
Sedimentary Basin in Caribbean Sea
The Grenada Basin is an 11–15 km thick back-arc sedimentary basin located in the southeastern region of the Caribbean Sea. It is bordered by the Lesser
Grenada_Basin
Large basin containing the Rub' al Khali desert
orogenic compressional stage. From the Early Permian onwards, the basin experienced back-arc extension on the edge of Gondwana, leading to the formation of
Rub'_al_Khali_Basin
as in the present-day. In geological terms this qualifies the basin as a back-arc basin. From top to bottom, the main units (formations) of the group
Purilactis_Group
Tectonic suture in southern Tibet
define the suture are not remnants of a very big ocean, but of a small back-arc basin structure. More recently it has been suggested that these ophiolites
Indus-Yarlung_suture_zone
Process of evolution of Earth's crust
thickened crust formed, at releasing bends in strike-slip faults, in back-arc basins, and on the continental end of passive margin sequences where a detachment
Tectonics
(outer) magmatic arcs, during the middle Jurassic-Miocene. The late subduction phase, when the opening of the Bransfield Rift and back-arc basins occur. This
Geology of the Antarctic Peninsula
Geology_of_the_Antarctic_Peninsula
Chain of volcanoes formed above a subducting plate
Leeward Antilles Scotia Arc South Sandwich Islands Insular Islands Intermontane Islands Sakhalin Island Arc Back-arc basin Island arc Subduction zone metamorphism
Volcanic_arc
Japanese academic
Genesis of a Back Arc Basin Developing Continental Margin". Tectonophysics. 1986. Sibuet, Jean-Claude; Masaaki Kimura; et al. (1987). "Back arc extension in
Masaaki_Kimura
Active submarine volcano in the Northern Mariana Islands
of the Mariana Trough, which is a back-arc basin. Since the 1800s, 6 of the 9 volcanic islands in the Mariana Arc have had recorded activity. Other than
Ahyi_Seamount
Marginal sea of the northeastern Indian Ocean
the Eurasian continent. As a result, a back-arc basin center was created, which began to form the marginal basin which would become the Andaman Sea, the
Andaman_Sea
island arc called the Pembine-Wausau terrane collided with the ancient North American craton along with volcanoes formed in its back-arc basin. The second
Penokean_orogeny
Westernmost portion of the Mediterranean Sea
Mediterranean. An arc of mountains, known as the Gibraltar Arc, wraps around the northern, western and southern sides of the Alboran Sea. The Gibraltar Arc is made
Alboran_Sea
trenches began to grow in length c. 40 million years ago, opening back-arc basins in the Philippine Sea. Between 30 and 17 Mya, the old age of the subducting
Geology_of_the_Pacific_Ocean
Species of gastropod
the keyhole limpets and slit limpets. They can be found in the Manus Back Arc Basin in Bismarck Sea, Papua New Guinea. Puncturella solis are considered
Puncturella_solis
Mesoproterozoic mountain-building event
taking place and thickening the lithosphere. By 1.19 Ga the Elzevir back arc basin was closing. From 1.18 to 1.14 Ga extension was occurring in the area
Grenville_orogeny
in a back-arc basin in the Mesozoic Era as result of extensional tectonics. This back-arc basin then evolved into the Magallanes foreland basin in the
Rocas_Verdes_ophiolites
Tectonic event(s) in the late Neoproterozoic
development of an Andean-type volcanic arc ca. 650-600 Ma and the formation of a back-arc basin behind this arc which opened ca. 590 to 560 Ma and was
Cadomian_Orogeny
Long, narrow crack opening on a planetary surface
dip Large-scale tectonics Accretionary wedge Allochthon Autochthon Back-arc basin Continental collision Convergent boundary Décollement Divergent boundary
Fissure
Small tectonic plate south of the South American plate
Microplate separated from the Scotia plate around 15 million years ago as a back arc basin formed with development of the East Scotia Rise. There is continued
South_Sandwich_plate
Geologic formation in Colombia
Triassic, a phase of rifting in the Jurassic. Subsequently, the basin experienced a back-arc basin setting in the Cretaceous, a second compressive margin during
Cesar-Ranchería_Basin
List of Earth's former oceans
continent Medicine Hat Ocean, a small Proterozoic ocean basin Meliata Ocean, a small back-arc basin in the Mesozoic to the east of Adria Mezcalera Ocean
List_of_ancient_oceans
Part of the Southern Ocean between Coats Land and the Antarctic Peninsula
in the Jurassic extensional tectonics created the Rocas Verdes Basin, a back-arc basin whose surviving southeastward extension forms the Weddell Sea.
Weddell_Sea
Deepest oceanic trench in the southwestern Pacific Ocean
Southern Hemisphere. The region between the Tonga trench and the Lau back-arc basin, the Tonga-Kermadec Ridge, moves independently from the Australian and
Tonga_Trench
Takaaki; Nohda, Susumu (1989-09-10). "Opening of the Sea of Japan back-arc basin by asthenospheric injection". Tectonophysics. 166 (4): 317–329. doi:10
Geology_of_Japan
Volcanic rock that is intermediate in composition between basalt and andesite
overlapping basaltic andesite shields. Basaltic andesite is a component of back-arc basin basalt suites. The Columbia River Basalt Group is composed of 80% basaltic
Basaltic_andesite
Topics referred to by the same term
District in western central Slovakia Back-arc basin, a geologic feature: a submarine basin associated with island arcs and subduction zones Beale Air Force
Bab
Rock formed by the deposition and cementation of particles
the other side to the mountain belt. The basin type resulting from this subsidence is called a back-arc basin and is usually filled by shallow marine deposits
Sedimentary_rock
through the Jurassic and Cretaceous periods formed the Rocas Verdes back-arc basin, while a transition to a compressional tectonic regime in the Cenozoic
Tectonic evolution of Patagonia
Tectonic_evolution_of_Patagonia
Amazonian region of Ecuador
the Ecuadorian Andes and the lowland areas of rainforest in the Amazon basin. It is bordered on the north by San Miguel and Putumayo rivers and on the
Oriente_(Ecuador)
Volcanic rocks found in parts of Shropshire, United Kingdom
zones an island arc is formed above the subducting plate (due to rising rock melt) with a back-arc basin existing between the island arc and the continental
Uriconian
Oceanic ridge in the south-west Pacific Ocean underlying the Tonga–Kermadec island arc
flanked by two back-arc basins, the Lau Basin and Havre Trough, that began opening at 6 Ma and 2 Ma respectively. Beyound the basins is the Lau-Colville
Tonga–Kermadec_Ridge
island arc system and the North Fiji back-arc basin. Hence, the region has undergone a complex process of plate convergence, subduction, and arc volcanism
List_of_earthquakes_in_Fiji
Historical volcanic area in Alaska, United States
with associated lava flows. Volcanologically, the field is situated in a back-arc region. Volcanic rocks from the field have basaltic compositions. Devil
Espenberg_volcanic_field
the Western Pacific region today. Volcanic arcs (see volcanic arc) and backarc basins (see back-arc basin) formed and were emplaced onto Eurasia as ophiolites
Geology_of_Turkey
Fold belt of west and central Europe, formed during the Hercynian orogeny
and early Carboniferous sedimentary rocks that were deposited in a back-arc basin along the southern margin of the then existing paleocontinent Laurussia
Rhenohercynian_Zone
Grantleigh Trough, an intra-arc rift. The subduction zone was aligned with the north-east coast of Queensland, with a back arc basin formed to the east of the
Hunter–Bowen_orogeny
Sound in Washington, United States
overhaul in drydock at Bremerton Naval Shipyard. Back-arc basin – Submarine features associated with island arcs and subduction zones Fjords of Canada Fjords
Puget_Sound
Tectonic boundary
Masbate–Iloilo Basin Mindanao Agusan–Davao Basin Cotabato Basin Sulu Sea Basin Subduction tectonics of the Philippines Back-arc basin Wikimedia Commons has media related
Philippine_Mobile_Belt
Aegean Sea southern portion
Fundy Black Sea Bothnian Sea Caribbean Sea Celtic Sea English Channel Foxe Basin Greenland Sea Gulf of Bothnia Gulf of Finland Gulf of Guinea Gulf of Lion
Sea_of_Crete
Tectonic plate in the south Pacific Ocean
from the Australian plate by a long divergent boundary which forms a back-arc basin. This area is highly prone to earthquakes and tsunamis. The Pacific
Kermadec_plate
Region of Italy
platforms are separated by the Ionian Basin. The Tyrrhenian oceanized basin is regarded as the back-arc basin. This subduction system therefore shows
Calabria
Island volcano in New Zealand's Bay of Plenty
700 mi)-long Tonga–Kermadec–Taupō volcanic arc system and the Lau Basin–Havre Trough–Ngatoro Basin back-arc basin system. For the past few thousand years
Whakaari_/_White_Island
Geophysicist
tectonic and depth/age evolution of the Indonesian gateway and associated back-arc basins" (PDF). Earth-Science Reviews. 83 (3–4): 177. Bibcode:2007ESRv...83
Carmen_Gaina
northeast end of the Ryukyu Arc of volcanoes and is related to the tectonics that created the Okinawa Trough which is a back-arc basin. The island chain that
Kagoshima_graben
First period of the Mesozoic Era
arc extended from the southwestern United States to the Arctic with an associated continental-scale foreland basin system. Localised back-arc basins developed
Triassic
Double oceanic ridge in the south-west Pacific Ocean
part starts a curve that transitions to the eastern part, is of E-MORB back-arc basin-type composition and has an age of 49 ± 10 Ma. This western part of
D'Entrecasteaux_Ridge
Bay in Kyushu, Japan
deformation at the junction between the Okinawa trough back-arc basin and the SW Japan island arc". In Grocott, J.; McCaffrey, K. J. W.; Taylor, G.; Tikoff
Beppu_Bay
Sedimentary basin in Xinjiang, China
ocean basin indicated that eastern Junggar was over passive margin. Another rifting event established the Mayilashan ocean basin and back-arc basin in east
Junggar_Basin
Submarine volcano in Tonga
in the Lau Back-Arc Basin, which consists of oceanic crust that separates the remnant Lau-Colville Ridge and the active Tofua volcanic arc from each other
Niuatahi
Volcanic rock
Kekuknai volcanic massif (in Kamchatka, Russia) that formed in a volcanic back-arc basin. Other settings in which hawaiite and other alkaline volcanic rocks
Hawaiite
Geologic zone in Sweden
the progine zone was subject to extensional tectonics perhaps being a back-arc basin. The Protogine Zone obtained its final configuration during the Sveconorwegian
Protogine_Zone
Orientation of a geologic feature
dip Large-scale tectonics Accretionary wedge Allochthon Autochthon Back-arc basin Continental collision Convergent boundary Décollement Divergent boundary
Strike_and_dip
Sedimentary basin in Patagonia, South America
being an extensional back-arc basin in the Mesozoic to being a compressional foreland basin in the Cenozoic. Rocks within the basin are Jurassic in age
Magallanes_Basin
Minor oceanic tectonic plate north of New Guinea
plate collided the Bismarck Sea was initially formed as a back-arc basin behind the New Britain arc, and after the collision, a transpressional zone developed
Caroline_plate
Ancient string of microcontinents that rifted from Gondwana
(mid-ocean ridge basalt) in Iran. Slab roll-back in the Paleo-Tethys opened a series of back-arc basins along the Eurasian margin and resulted in the
Cimmeria_(continent)
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