THE USGS EARTH MAPPING RESOURCES INITIATIVE (EARTH MRI): A PARTNERSHIP WITH STATE GEOLOGICAL SURVEYS TO BETTER DEFINE THE NATION’S CRITICAL MINERAL RESOURCES

2020 ◽  
Author(s):  
Warren Day ◽  
Keyword(s):  
Mineral Resources ◽  
Geological Surveys ◽  
Critical Mineral

scholarly journals Possibilities of recovery and separation of rare earth elements

2019 ◽  
Vol 73 (1) ◽  
pp. 99
Author(s):  
Dominika Fila
Keyword(s):  
Rare Earth ◽  
Rare Earth Elements ◽  
Mineral Resources ◽  
Oil Refining ◽  
Secondary Sources ◽  
Energy Technologies ◽  
Technology Products ◽  
Low Emission ◽  
Market Situation ◽  
Critical Mineral

Rare earth metals are a group of elements widely used in high technology products. They are included in the group of critical mineral resources for the EU economy. Rare earth elements are found in computers and mobile phones, as well as in low-emission energy technologies. They are also applied in chemical processes as catalysts in the oil refining. Some of them occur even in considerable quantities in the earth's crust but not very often in the concentrations justifying the profitability of their extraction. Additionally, the constantly growing demand and the current market situation cause that alternative resources of rare earth elements recovery are sought after. Therefore, the recovery and separation methods as well as recovery from the secondary sources are becoming more and more important. The following paper presents the possibilities of recovery and separation of rare earth elements from primary and secondary sources.

Towards the Sustainable Use of Mineral Resources: A European Geological Surveys Perspective

2007 ◽  
Vol 22 (3-4) ◽  
pp. 88-104 ◽  
Author(s):  
Patrice Christmann ◽  
Nikolaos Arvanitidis ◽  
Luis Martins ◽  
Gilles Recoché ◽  
Slavko Solar
Keyword(s):  
Sustainable Use ◽  
Mineral Resources ◽  
Geological Surveys

Geological Surveys in the Tropics: The Brazilian Experience (1875-1934)

2007 ◽  
Vol 26 (1) ◽  
pp. 151-171 ◽  
Author(s):  
Silvia Figueirôa
Keyword(s):  
Case Studies ◽  
Mineral Resources ◽  
Sao Paulo ◽  
São Paulo ◽  
Geological Surveys ◽  
Scientific Organizations ◽  
Geological Sciences ◽  
The Tropics ◽  
The Way

This paper presents and discusses three case studies of scientific organizations involving geology, based on successive institutional models of geological surveys, namely: the "Geological Commission of Brazil", the "Geographical and Geological Commission of São Paulo", and the "Geological and Mineralogical Survey of Brazil". The issues linked to the exploitation of the land opened the way to the development of geological sciences in Brazil. Contrary to what one might expect, in view of Brazil's considerable mineral resources, the institutionalization of geology was linked more directly to agriculture rather than to mining. It was the interests of agriculture, especially those related to coffee planting, that influenced the direction of research and the results obtained.

Frank Dixey, 7 April 1892 - 1 November 1982

1983 ◽  
Vol 29 ◽  
pp. 158-176
Keyword(s):  
United Nations ◽  
East Africa ◽  
Mineral Resources ◽  
Arid Lands ◽  
Geological Surveys ◽  
West Central ◽  
British Science ◽  
The United Nations ◽  
The Government ◽  
Colonial Office

Sir Frank Dixey, geological explorer, often unaided, of tracts of uncharted country in west, central and east Africa, pure and applied geomorphologist, a leading expert on hydrogeology, occupied a unique place in British science. In the last days of empire, when the Colonial Office began to take geology and mineral resources seriously, he became geological adviser to the Minister. In 1948 he was given the task of forming a Directorate of Colonial Geological Surveys and for twelve years he served as its first director. For twelve further years he was active as hydrologist for the United Nations Organization, and finally for the Government of Cyprus, achieving socially valuable results. He was deeply interested in the problems of the arid lands.

scholarly journals Finding the Gaps in America’s Magnetic Maps

Eos ◽  
2019 ◽  
Vol 100 ◽  
Author(s):  
Benjamin Drenth ◽  
V. Grauch
Keyword(s):  
Mineral Resources ◽  
Magnetic Survey ◽  
Executive Order ◽  
Critical Mineral ◽  
Airborne Magnetic ◽  
Airborne Magnetic Survey

A 2017 executive order mandated a plan to evaluate U.S. access to critical mineral resources, but the airborne magnetic survey maps that support this effort are sadly out of date.

scholarly journals A geological collection and methodology for tracing the provenance of Palaeolithic colouring materials

2021 ◽  
Vol 8 (1) ◽  
Author(s):  
Hélène Salomon ◽  
Claire Chanteraud ◽  
Aurélie Chassin de Kergommeaux ◽  
Julien Monney ◽  
Jean-Victor Pradeau ◽  
...  
Keyword(s):  
Raw Materials ◽  
Mineral Resources ◽  
Chemical Analyses ◽  
Archaeological Remains ◽  
Intensive Study ◽  
Cultural Traditions ◽  
Geological Surveys ◽  
Formation And Evolution ◽  
Archaeological Excavations ◽  
Iron And Manganese

Although prehistoric sites frequently contain numerous fragments and traces of many different kinds of colouring matter, intensive study of this type of archaeological remains began only recently. Such studies, aimed at determining how raw materials formed and changed over time, and how they were transported by the groups of humans who used them, are extremely valuable as they reveal shared strategies, that is, cultural traditions and the spaces in which they developed. The scope of this paper focusses on the description of the main geological contexts in which ferruginous colouring materials form and are found. In the framework of a collective research program called Pigmentothèque (iron- and manganese-rich rocks and minerals library), geological surveys are conducted taking into consideration the geological settings in which colouring materials are present and using a common record and sampling methodology which is followed by petrophysical, mineralogical and chemical analyses based on a shared procedure and vocabulary. In order to go beyond descriptions based solely on colour and chemical composition, we describe the great variety of iron-rich materials that can be used to obtain colouring matter. This diversity in the formation and evolution of iron-rich materials must be taken into account when trying to understand past humans’ choices of raw materials, their provenance and the anthropogenic and natural modifications they have undergone. We also describe criteria for recognising cohesive remains of colouring matter during archaeological excavations, so these artefacts can take their place alongside other mineral resources in helping improve our understanding of past societies.

scholarly journals Critical mineral resources of the United States—An introduction

2017 ◽  
Author(s):  
Klaus J. Schulz ◽  
John H. DeYoung ◽  
Robert R. Seal ◽  
Dwight C. Bradley
Keyword(s):  
United States ◽  
Mineral Resources ◽  
The United States ◽  
Critical Mineral
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