Quaternary International 1994: Vol 21 Table of Contents

2 Pages·1994·0.33 MB·English

CONTENTS
Preface
5
South American Climatology 7
N. O. GARCIA
Suspended Sediments of the Modern Amazon and Orinoco Rivers 29
R. H. MEADE
The Pliocene and Quaternary of the High Plain of Bogota (Colombia): A History of Tectonic Uplift, Basin 41
Development and Climatic Change
K. F. HELMENS and T. VAN DER HAMMEN
Late Pliocene—Pleistocene High Resolution Pollen Sequence of Colombia: An Overview of Climatic Change 63
H. HOOGHIEMSTRA and E. T. H. RAN
Late Quaternary Paleoenvironmental Studies in the Gran Sabana (Venezuelan Guayana Shield) 81
C. SCHUBERT, P. FRITZ and R. ARAVENA
Late Cenozoic History of the Eastern Llanos of Venezuela: Geomorphology and Stratigraphy of the Mesa 91
Formation
J. CARBON and C. SCHUBERT
The Quaternary of Ecuador 101
M. IRIONDO
The Mera Site Revisited: Ice-Age Amazon in the Light of New Evidence 113
K. HEINE
A Probable Scenario for a Dry Climate in Central Amazonia During the Late Quaternary 121
M. IRIONDO and E. M. LATRUBESSE
Geodynamic Environment of Quaternary Morphostructures of the Subandean Foreland Basins of Peru and Bolivia: 129
Characteristics and Study Methods
J. F.D UMONT and M. FOURNIER
The Upper Parana River (Brazil): Geomorphology, Sedimentology and Paleoclimatology 143
J.C. STEVAUX
A Climatic Model for Southwestern Amazonia in Last Glacial Times 163
E. M. LATRUBESSE and C. G. RAMONELL