author={Amos M. Nur and Zvi Ben‐Avraham},
  journal={Journal of physics of the earth},
Extensive geological and geophysical evidence suggests that numerous fragments of continents, miniplates, and so called "island arcs" have been incorporated into the Circum Pacific continents. The old rocks exposed on these bodies bear strong evidence for continental origins. This leads to the speculation that a large continental mass existed once in what is now the Pacific Ocean. This mass-which we call the Pacifica continent-could have been part of the Pangea Super Continent, adjacent to… 

Oceanic plateaus, the fragmentation of continents, and mountain building

Many anomalous rises in today's oceans may be submerged continental fragments detached from previous continents, ancient island arcs, or basaltic piles formed by hot spots and spreading centers.

An introductory overview to the concept of displaced terranes

On land much of the Pacific margin is composed of allochthonous terranes, which are of continental and noncontinental origins. In the oceans numerous oceanic rises, some of which are submerged

Accreted Terranes in the Northern Part of the Philippine Archipelago

The Philippine Archipelago consists of a complex array of ophiolites, continental fragments and island arc elements that can be identified as accreted terranes, similar to those increasingly

Tectonics of the Philippine Sea

The models on the tectonic evolution of the Philippine Sea can be divided mainly into two:(1) entrapment of a normal ocean at 43Ma for the West Philippine Basin formation and back-arc basin

The elevation of volcanoes and their edifice heights at subduction zones

The elevation above sea level of circum-Pacific volcanoes situated on continental crust varies greatly, not only between various chains but also within chains. Their edifice heights, however, are

A global geochemical model for the evolution of the mantle

It is proposed that the upper mantle transition region, 220 to 670 km, is composed of eclogite which has been derived from primitive mantle by about 20 percent partial melting and that this is the



Mesozoic California and the Underflow of Pacific Mantle

The Mesozoic evolution of California is interpreted as dominated by the underflow of oceanic mantle beneath the continental margin. Underflow during part of Late Cretaceous time of more than 2000 km

Plate Tectonics and the Japanese Islands: A Synthesis

The hot-spot hypothesis of Wilson and Morgan and the recent success in worldwide correlation of marine magnetic anomalies by Larson and his co-workers have enabled us to depict the Mesozoic and

Plate Tectonic Model for the Evolution of the Central Andes

Data on the geophysics and geology of the central Andes are interpreted in terms of plate theory and a model for Andean evolution is presented. Analysis of upper mantle structure and seismicity shows

Mountain belts and the new global tectonics

Analysis of the sedimentary, volcanic, structural, and metamorphic chronology in mountain belts, and consideration of the implications of the new global tectonics (plate tectonics), strongly indicate

Spreading of the Ocean Floor: New Evidence

The hypothesis that magnetic anomalies may indicate the nature of oceanic fracture zones and distinguish the parts of the ridge system that are actively spreading is suggested and data derived during the past year lend remarkable support to the hypothesis.

Ancient borderland terranes of the North American Cordillera: Correlation and microplate tectonics

Enigmatic Paleozoic and Precambrian sequences rich in volcanic and plutonic rocks form discrete terranes along the outer border of the North American Cordillera. These borderland terranes occur in

Late Mesozoic Evolution of the Western Pacific Ocean

A set of east-trending magnetic anomalies located in the western equatorial Pacific Ocean near the Phoenix Islands is Early Cretaceous in age. The use of magnetic reversal model studies shows that

Reconstruction of Pangaea: Breakup and dispersion of continents, Permian to Present

We present a new continental drift reconstruction of the universal continent of Pangaea in the Permian plus a series of five world maps to depict the breakup and dispersion of continents with each