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The origin of lunar craters
A review is presented of four hypotheses concerning the origin of lunar craters, taking into account the bubble hypothesis, the tide hypothesis, the volcanic hypothesis, and the impact hypothesis. AExpand
Layer-parallel shortening and related structures in zones undergoing active regional horizontal extension
Folds and thrust faults formed by layer-parallel shortening coaxial with extensional structures such as normal dip-slip faults and ductile necking structures with orthorhombic fabric symmetry areExpand
A historical account of how continental drift and plate tectonics provided the framework for our current understanding of palaeogeography
Abstract Palaeogeography is the cartographic representation of the past distribution of geographic features such as deep oceans, shallow seas, lowlands, rivers, lakes and mountain belts onExpand
The Evolution of the Universe
The universe, of which our domicile the planet Earth forms but a minuscule part, has an architecture that changes and has been changing in time. In other words, it has a history of evolution. Lack ofExpand
Our Home, the Planet Earth
The earth,’ the abode of the only form of intelligent life in the universe of which we are aware, is a minor member of a system of nine planets, 40 or so moons and about 100 billion asteroidsExpand