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Profile of Orogenic Belts

Profile of Orogenic Belts

N. Rast (Editor), F. M. Delany (Editor)

ISBN: 978-1-118-67031-6 March 2013 American Geophysical Union 316 Pages

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Published by the American Geophysical Union as part of the Geodynamics Series, Volume 10.

Working Group 9 undertook a study of the relationships between different types of endogenous, i.e. tectonic, magmatic and metamorphic, processes on continents. These relationships could be expressed in the form of spatial and time correlations of the indicated processes. All previous geological experience confirms the existence of these correlations. For example, the development of geosynclines proceeds in a rather definite succession of endogenous processes: dominant crustal subsidence accompanied by the emplacement of basic and ultrabasic magmas, is followed by an epoch of formation of granites, regional metamorphism and folding, after which orogenesis sensu stricto sets in. The ancient platforms have entirely different, quiescent conditions of deep processes. There are rift zones with their peculiar structure and specific magmatism. Unusual combinations of endogenous processes are found on continental margins, in transition zones from continents to oceans.

FOREWORD
C.L. Drake and A.L. Hales  1

PREFACE
V.V. Beloussov  3

TASMAN OROGEN, AUSTRALIA
M.J. Rickard, B.A. Duff, R.J. Korsh, E.J. Heidecker, E. Scheibner, and N.J. Turner  5

GEODYNAMICS OF THE CAPE FOLD BELT IN THE REPUBLIC OF SOUTH AFRICA, A SUMMARY
I.W. Halbich  21

A POSSIBLE MODEL FOR THE DAMARA OROGEN IN THE LIGHT OF RECENT DATA
R. McG. Miller  31

EXPLANATION OF THE UPINGTON GEOTRAVERSE, SOUTH AFRICA
C.W. Stowe  35

THE SCANDINAVIAN CALEDONIDES
D.G. Gee, R. Gorbatschev, and H. Ramberg  45

TWO GEOTRAVERSES ACROSS THE IBERO-ARMORICAN VARISCAN OF WESTERN EUROPE
P. Matte  53

PROFILES THROUGH THE WESTERN ALPS
J. Debelmas, A. Escher, and R. Trumpy  83

CORRELATION OF ENDOGENOUS PROCESSES IN THE ALPINE CYCLE OF THE CAUCASUS
A.M. Borsuk and V.N. Sholpo  97

CORRELATION OF ENDOGENOUS PROCESSES AND THEIR ROLE IN THE EARLY PRECAMBRIAN

CRUSTAL DEVELOPMENT OF SOUTHERN EAST SIBERIA
V.V. Ez  145

A GEOTRAVERSE THROUGH THE APPALACHIANS OF NORTHERN NEWFOUNDLAND
J.F. Dewey, M.J. Kennedy, and W.S.F. Kidd  205

THE NORTHERN APPALACHIAN TRAVERSES IN THE MARITIMES OF CANADA
N. Rast  243

GEOLOGICAL PROFILES THROUGH THE AVALONIAN TERRAIN OF SOUTHEASTERN MASSACHUSETTS,
RHODE ISLAND, AND EASTERN CONNECTICUT, U.S.A.
J.W. Skehan, S.J.  275

GEODYNAMICS TRANSECT OF THE APPALACHIAN OROGEN IN ALABAMA
T.L. Neathery and W.A. Thomas  301

APPENDIX
H.J. Zwart  309