Abyssal hill - Wikipedia
An abyssal hill is a small hill that rises from the floor of an abyssal plain. They are the most abundant geomorphic structures on Earth, covering more than 30% of the ocean floor. [1] …
Abyssal hill | Submarine Relief, Marine Sediments & Abyssal …
abyssal hill, small, topographically well-defined submarine hill that may rise from several metres to several hundred metres above the abyssal seafloor, in water 3,000 to 6,000 metres (10,000 to …
What Are Seamounts and Why Are They Important as Abyssal …
Abyssal hills rise up to 1,000 meters (3,280 feet) above the seafloor, and seamounts are taller still. These topographic features alter currents and near-bed flows, causing the winnowing of …
Abyssal Hill - an overview | ScienceDirect Topics
Within oceanic crust lie abyssal hills, which were formed from the development of normal faults and volcanism at the original ridge crest where the crust was created. Abyssal hills provide a …
Abyssal hills formed by stretching oceanic lithosphere | Nature
1998年3月19日 · Here we report the results of a self-consistent numerical model of lithospheric formation and stretching that includes spontaneous fault creation. In this model, an axial valley …
Abyssal Hills and Abyssal Plains | SpringerLink
2017年7月19日 · This chapter summarizes decades of investigations on abyssal hills and presents a consensus understanding of how spreading rates, lithosphere thermal structure, …
VOLCANIC GROWTH FAULTS AND THE ORIGIN OF PACIFIC ABYSSAL HILLS
The topographic features known as abyssal hills characterize >30% of the ocean floor, and yet their origin has been the source of vigorous debate for over 40 years. Submersible-based …
Abyssal hills – Blue Habitats
Abyssal hills – Abyssal hills are defined by the IHO (2008) as “An isolated (or tract of) small elevation(s) on the deep seafloor”. Hills on the seabed at abyssal depths having peaks that …
Abyssal plain | Ocean Floor Geology, Marine Life | Britannica
abyssal plain, flat seafloor area at an abyssal depth (3,000 to 6,000 m [10,000 to 20,000 feet]), generally adjacent to a continent. These submarine surfaces vary in depth only from 10 to 100 …
(PDF) Abyssal Hills and Abyssal Plains - ResearchGate
2018年7月1日 · These elongate, ridge-parallel hills and intervening valleys provide the characteristic fabric of the recently accreted and sparsely sedimented seafloor. Near-bottom …