The origin, movement and assembly of the pre-Tertiary tectonic units of Thailand
Anthony J. Barber, Michael F. Ridd, Michael J. Crow, 2011. "The origin, movement and assembly of the pre-Tertiary tectonic units of Thailand", The Geology of Thailand, M.F. Ridd, A.J. Barber, M.J. Crow
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Thailand forms part of the core of SE Asia and, together with the rest of Sundaland, is considered to have formed from continental fragments derived from the break-up of the northern margin of Gondwana, a major Precambrian continent, during the Palaeozoic. Fragments of this continent rifted away and became separated from Gondwana by the development of new oceanic crust, and moved northwards leaving expanding oceans behind them. At the same time oceanic crust lying to the north of these fragments was subducted beneath the southern margin of Asia until, during the Triassic, the fragments collided with and were accreted to Asia. Collision zones between continental fragments are marked by accretionary complexes, belts of serpentinized and highly disrupted oceanic mantle, basaltic crust and ocean-floor sediments forming ophiolites together with thrust and imbricated continental margin sediments; these include mélanges, composed of a variety of blocks of igneous and sedimentary rocks in a fine-grained clay or serpentinous matrix.
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The Geology of Thailand
This is the first volume in the English language to cover the entire range of the geology of Thailand since the joint Thai—US account by Brown et al. exactly 60 years ago. Over this period there has been a phenomenal growth in interest in this core area of SE Asia. This has been led by geologists in Thailand, but with important and highly significant input from geologists based elsewhere in Asia and in Europe, Australasia and North America. Some of that research was prompted by commercial considerations, since Thailand has important energy and mineral resources, while other research has sought to understand better the stratigraphic and structural history, including the plate-tectonic story which Thailand's rocks reveal. This new volume seeks to bring together all of this knowledge into a single accessible book; it is the work of an international team drawn from Thailand, Japan, Australia, USA, Canada, Germany and the UK.