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Book
Special External Effects on Fluvial System Evolution
Authors: --- ---
ISBN: 3039215450 3039215442 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Rivers are an excellent witness of the dynamics affecting Earth’s surface due to their sedimentary products and morphological expression, which may be considered as fluvial archives. Until now, the focus has been on evaluating the general impact of individual external factors. However, the importance of the specific environmental characteristics of these factors has become increasingly recognized, as highlighted in recent case studies. For example, the effects of regional climate, differentiated topography and vegetation, and frozen ground appear to play an essential role in the evolution of the fluvial system. Integration of such environmental conditions in the processes that were active within the complex fluvial system will open new perspectives in our progressive understanding of the evolution of landscape form, ecology, sediment fluxes, and hydrology of the system within the framework of the external drivers such as tectonics, general climate, and human activity. This is an appealing challenge that we wish to address in the present Special Issue under the aegis of the Fluvial Archives Group (FLAG).


Book
Heavy Minerals: Methods & Case Histories
Author:
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The principal aim of this book is to provide a wide range of information and a useful reference for researchers interested to investigate heavy mineral assemblages in different geological settings and for a variety of purposes. The methodological developments achieved in recent years for the identification of heavy minerals in a wide grain-size range are illustrated. All factors that affect heavy mineral concentration and relative proportions, including hydraulic sorting, mechanical abrasion, chemical weathering, and post-depositional dissolution, and all factors able to introduce analytical, environmental, or diagenetic bias are thoroughly addressed. A proper integration of multiple techniques including bulk sediment, multi-mineral, and single-mineral methods are discussed by renowned authors in their invited contributions.

Keywords

heavy minerals --- correlation --- North Sea --- Jurassic --- Triassic --- Carboniferous --- Devonian --- relative and absolute abundances --- sampling strategy --- size-window for analysis --- heavy mineral point-counting --- provenance and plate-tectonic setting --- chemical weathering --- hydraulic sorting --- recycling --- diagenesis --- sediment --- provenance --- statistics --- zircon --- point counting --- petrography --- mineral grains composition --- surface textures --- sources --- WNW Portuguese Continental Margin --- Raman spectroscopy --- sedimentary provenance --- automatization --- heavy mineral --- Pliocene --- the Changjiang Delta --- amphibole --- surface texture --- garnet --- epidote --- pyroxene --- provenance tracers --- varietal studies --- mineral chemistry --- semi-automated Raman counting --- Ladakh-Kohistan arcs --- Himalaya --- Nanga Parbat --- Karakorum --- Indus river --- amphiboles --- tremolite --- actinolite --- provenance analysis --- tectonic versus climatic control --- early-middle Pleistocene transition --- Yellow River terraces --- Lanzhou (northern China) --- sieving of fine silt --- fallacy of laser granulometry --- benthic foraminifera --- Ganga–Brahmaputra river system --- Bay of Bengal --- Himalayan orogen --- bulk-sediment petrography --- bulk-sediment geochemistry --- selective entrainment --- suspension sorting --- chemical indices of weathering --- sediment budgets --- Brahmaputra River --- Ganga River --- handbook for laboratory procedures --- nontoxic heavy liquids --- wet sieving of silt --- zircon separation --- heavy-mineral mounts --- n/a --- Ganga-Brahmaputra river system


Book
Heavy Minerals: Methods & Case Histories
Author:
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

Loading...
Export citation

Choose an application

Bookmark

Abstract

The principal aim of this book is to provide a wide range of information and a useful reference for researchers interested to investigate heavy mineral assemblages in different geological settings and for a variety of purposes. The methodological developments achieved in recent years for the identification of heavy minerals in a wide grain-size range are illustrated. All factors that affect heavy mineral concentration and relative proportions, including hydraulic sorting, mechanical abrasion, chemical weathering, and post-depositional dissolution, and all factors able to introduce analytical, environmental, or diagenetic bias are thoroughly addressed. A proper integration of multiple techniques including bulk sediment, multi-mineral, and single-mineral methods are discussed by renowned authors in their invited contributions.

Keywords

Research & information: general --- heavy minerals --- correlation --- North Sea --- Jurassic --- Triassic --- Carboniferous --- Devonian --- relative and absolute abundances --- sampling strategy --- size-window for analysis --- heavy mineral point-counting --- provenance and plate-tectonic setting --- chemical weathering --- hydraulic sorting --- recycling --- diagenesis --- sediment --- provenance --- statistics --- zircon --- point counting --- petrography --- mineral grains composition --- surface textures --- sources --- WNW Portuguese Continental Margin --- Raman spectroscopy --- sedimentary provenance --- automatization --- heavy mineral --- Pliocene --- the Changjiang Delta --- amphibole --- surface texture --- garnet --- epidote --- pyroxene --- provenance tracers --- varietal studies --- mineral chemistry --- semi-automated Raman counting --- Ladakh-Kohistan arcs --- Himalaya --- Nanga Parbat --- Karakorum --- Indus river --- amphiboles --- tremolite --- actinolite --- provenance analysis --- tectonic versus climatic control --- early-middle Pleistocene transition --- Yellow River terraces --- Lanzhou (northern China) --- sieving of fine silt --- fallacy of laser granulometry --- benthic foraminifera --- Ganga-Brahmaputra river system --- Bay of Bengal --- Himalayan orogen --- bulk-sediment petrography --- bulk-sediment geochemistry --- selective entrainment --- suspension sorting --- chemical indices of weathering --- sediment budgets --- Brahmaputra River --- Ganga River --- handbook for laboratory procedures --- nontoxic heavy liquids --- wet sieving of silt --- zircon separation --- heavy-mineral mounts

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