Geochemistry of Niobium and Tantalum

Geochemistry of Niobium and Tantalum
Author: Raymond Laurence Parker
Publisher:
Total Pages: 62
Release: 1968
Genre: Niobium
ISBN:

Additional title page description: A review of the geochemistry of niobium and tantalum and a glossary of niobium and tantalum minerals.

Lanthanides, Tantalum and Niobium

Lanthanides, Tantalum and Niobium
Author: Peter Möller
Publisher: Springer Science & Business Media
Total Pages: 383
Release: 2013-11-09
Genre: Science
ISBN: 364287262X

Rare Earth Elements (REE) as well as tantalum and niobium are of tremendous importance because of their specific high-technology applications. The contributions gathered in this volume give an up-to-date survey on the mineralogy, primary ore deposits, prospecting, processing and applications of REE, Ta, and Nd, making this volume a useful handbook for practitioners and students. Finally, the comprehensive coverage of the fundamental aspects, especially as regards REE as tracers of geological phenomena, will prove extremely helpful.

Tantalum

Tantalum
Author: Harry Reyes
Publisher:
Total Pages: 197
Release: 2015
Genre: Tantalum
ISBN: 9781634836593

The activation reactions of organic substrates involving tantalum compounds and complexes as compared with other transition metals have a relatively recent history, and therefore they are by far the least studied. The first chapter presents research data published by the authors in the last five years, on the use of catalysts based on tantalum compounds and complexes. In Chapter 2, a systematic study has been undertaken of basic thermodynamic functions of tantalum through the whole range of its solid state. These functions include molar heat capacity, volume coefficient of thermal expansion, bulk modulus and molar volume. In the last chapter, the findings from electron-microscopic studies of copper-tantalum welded joints that do not possess mutual solubility are examined. Joints with both flat and wavy interface are included. Findings from the study of other metal-metal and metal-intermetallic joints that were obtained by the authors were used for comparison.

Economic Geology

Economic Geology
Author: Walter L. Pohl
Publisher: John Wiley & Sons
Total Pages: 725
Release: 2011-03-03
Genre: Science
ISBN: 144439486X

Humanity’s ever-increasing hunger for mineral raw materials, caused by a growing global population and ever increasing standards of living, has resulted in economic geology becoming a subject of urgent importance. This book provides a broad panorama of mineral deposits, covering their origin and geological characteristics, the principles of the search for ores and minerals, and the investigation of newly found deposits. Practical and environmental issues that arise during the life cycle of a mine and after its closure are addressed, with an emphasis on sustainable and "green" mining. The central scientific theme of the book is to place the extraordinary variability of mineral deposits in the frame of fundamental geological processes. The book is written for earth science students and practicing geologists worldwide. Professionals in administration, resource development, mining, mine reclamation, metallurgy, and mineral economics will also find the text valuable. Economic Geology is a fully revised translation of the the fifth edition of the German language text Mineralische und Energie-Rohstoffe. Additional resources for this book can be found at: www.wiley.com/go/pohl/geology. The author's website can be found at: http://www.walter-pohl.com.