Best Food Sources of Vitamins and Minerals

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Magnetite | #Geology #GeologyPage #Minerals

Chemical Formula: Fe2+Fe3+2O4

Locality: In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Image width: 2 mm

Photo Copyright © Fred Kruijen

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Special Review and Webinar Showcase Critical Minerals Research at USGS: Summary: Scientists studying rare earth and critical elements now have a solid foundation for future research, as detailed in a special volume of the Society of Economic Geologists. This review volume, featuring several papers authored and co-authored by the U.S. Geological Survey, provides a comprehensive review of the current state of knowledge for rare earth and critical elements in ore deposits. --- Contact Information: Alex Demas ( Phone: 703-648-4421 ); --- Scientists studying rare earth and critical elements now have a solid foundation for future research, as detailed in a special volume of the Society of Economic Geologists. This review volume, featuring several papers authored and co-authored by the U.S. Geological Survey, provides a comprehensive review of the current state of knowledge for rare earth and critical elements in ore deposits. In addition, on March 30th at 1:00 PM EDT, American Geosciences Institute (AGI) will co-host a webinar titled Underpinning Innovation: The Science and Supply of America's Critical Minerals and Materials. USGS speakers include Larry Meinert, the program coordinator of the USGS Mineral Resources Program and Steve Fortier, the director of the USGS National Minerals Information Center. In addition, Rod Eggert, the deputy director of the Critical Minerals Institute, Ames Laboratory will be a featured speaker. This webinar is based on a March 3rd Congressional briefing organized by AGI on behalf of the Mineral Science & Information Coalition. The webinar will address the efforts being taken at the federal level to ensure a steady supply of critical minerals and materials. The special volume, entitled "Rare Earth and Critical Element in Ore Deposits," represents an important contribution to our understanding of where, how, and why individual critical elements occur and should be of use to both geoscientists and public policy analysts. While the papers in this volume provide an overview of the state of knowledge concerning the economic geology of rare earth and critical elements, they also demonstrate the lack adequate data on the occurrence of these elements in many deposit types. Critical minerals and materials are key components of the innovation economy. Minerals are a part of almost every product we use on a daily basis, either as the raw materials for manufacturing processes or as the end products themselves. Advanced technologies for communications, clean energy, medical devices, and national security rely on raw materials from mines throughout the world. The concept of element criticality is useful for evaluation of the fragility of commodity markets. This fragility is commonly due to a potential risk of supply disruption, which may be difficult to quantify because it can be affected by political, economic, geologic, geographic, and environmental variables. For instance, in 2010, China curtailed exports of rare earth metals and sparked major concern about the security of global supply chains for a range of vital minerals and materials. Critical elements may be recovered either as primary commodities or as by-products from mining of other commodities. For example, nearly 90 percent of world production of niobium (Nb) is from the Araxá niobium mine (Brazil), whereas gallium (Ga) is recovered primarily as a by-product commodity of bauxite mining or as a by-product of zinc processing from a number of sources worldwide. Critical elements that are solely produced as by-product commodities pose a particular supply risk because their production is tied to other markets and thus fluctuations in their supply can be independent from their demand. Rare earth elements are a focus of this volume because price spikes of these commodities over the past several years have created broad interest. As demonstrated in the papers in this volume, ore-grade enrichment of REEs can occur in a variety of deposit types. #minerals #usgs

Media Advisory: Second Round of USGS Studies Begin to Define What Minerals Lie Beneath Portions of the Upper Midwest: Summary: U.S. Geological Survey scientists will conduct a high-resolution airborne survey to study the rock layers under a region of the south-central Upper Peninsula, Michigan, and parts of northeastern Wisconsin, starting in early April and lasting until as late as August. When the data analysis is complete, resulting geologic maps will help USGS researchers improve an assessment of mineral resources in the region. --- Residents and visitors should not be alarmed to witness a low-flying airplane above the broader Iron Mountain-Ralph-Escanaba-Menominee region. Contact Information: Heidi  Koontz ( Phone: 303-202-4763 ); --- U.S. Geological Survey scientists will conduct a high-resolution airborne survey to study the rock layers under a region of the south-central Upper Peninsula, Michigan, and parts of northeastern Wisconsin, starting in early April and lasting until as late as August. When the data analysis is complete, resulting geologic maps will help USGS researchers improve an assessment of mineral resources in the region. As part of this research, a low-flying airplane will be used. Residents and visitors should not be alarmed to witness this airplane flying low to the ground near the broader Iron Mountain-Ralph-Escanaba-Menominee region. A similar USGS study will occur around the same time, but will produce a map at a different scale and spatial area. The airplane is under contract to the USGS through EON Geosciences. The aircraft will be operated by experienced pilots who are specially trained and approved for low-level flying. All flights are coordinated with the Federal Aviation Administration to ensure accordance with U.S. law. The survey area is known to contain historically significant iron deposits, as well as several other types of mineral deposits either known or suspected to be present. “This study will help USGS and partnered scientists understand the region’s fundamental geology and mineral potential in much greater detail than is currently known,” said USGS scientist Benjamin Drenth, a Denver-based researcher leading the survey. The airplane will carry instruments to measure variations in the Earth's magnetic field. Because different rock types vary in content of magnetic minerals, the resulting maps allow visualization of the geologic structure below the surface. The instruments carried on the aircraft only make passive measurements, and thus pose no health risk to humans or animals. This survey will be flown in a grid pattern. North-south lines will be flown approximately 500-700 feet apart at elevations from 250-1000 feet above the ground, and 1 mile apart in an east-west direction. All survey flights will occur during daylight hours. The Michigan Geological Survey is a technical partner with the USGS on the project, assisting with coordination with the Michigan geologic and elected community. #minerals #usgs

What Are The Health Benefits Of Potassium? Sources of potassium in food ? Symptoms of potassium deficiency ?

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Great Barrier Reef...source of OmniBlue Ocean Minerals.
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Picropharmacolite | #Geology #GeologyPage #Minerals

Chemical Formula: Ca4Mg(AsO4)2(HAsO4)2·11H2O

Locality: Wilhelm Mine (Wechselschacht), Bauhaus, Richelsdorf District, Hesse, Germany

FOV: 8mm

Photo Copyright © Elmar Lackner

Geology Page
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Proustite | #Geology #GeologyPage #Minerals

Chemical Formula: Ag3AsS3

Locality: Imiter Mine, Imiter District, Djebel Saghro (Jbel Saghro), Ouarzazate Province, Souss-Massa-Draâ Region, Morocco

Field of View: 3 mm

Photo Copyright © Jean-Marc Johannet

Geology Page
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FG seeks #partnerships for solid minerals development #oneafricatrade #emergingmarkets #Africa #Nigeria #minerals http://buff.ly/1rYiNhp

Media Advisory: USGS Goes Airborne to Define What Minerals Lie Beneath the Upper Midwest http://bit.ly/1V0Tg1G #minerals #usgs

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Rub’ al Khali Desert
Rolling sand dunes in the expansive Rub’ al Khali desert on the southern Arabian Peninsula are pictured in this image from the Sentinel-2A satellite.
Also known at the ‘Empty Quarter’, the Rub’ al Khali is the largest contiguous sand desert in the world. Precipitation rarely exceeds 35 mm a year and regular high temperatures are around 50°C.
The yellow lines and dots in this false-colour image are sand dunes. Looking closer at the dunes in the lower right, many have three or more ‘arms’ shaped by changing wind directions and are known as ‘star dunes’. They tend to ‘grow’ upwards rather than laterally, and reach up to 250 m in height in some parts of the Rub’ al Khali.
The dunes are interspersed with hardened flat plains – remnants of shallow lakes that existed thousands of years ago, formed by monsoon-like rains and runoff. The multispectral instrument on Sentinel-2 uses parts of the infrared spectrum to detect subtle changes in vegetation cover, but can also see changes in mineral composition where vegetation is sparse. In this image, shades of brown to bright purple show the mineral composition, possibly including salt or gypsum.
(2:32)

This image (also featured on the Earth from Space video programme) was captured by Sentinel-2A on 22 December 2015. The satellite is the first in the two-satellite Sentinel-2 mission for Europe’s Copernicus programme, and carries a wide-swath high-resolution multispectral imager with 13 spectral bands for a new perspective of our land and vegetation.


Read more, or download the image at: http://www.esa.int/spaceinimages/Images/2016/05/Rub_al_Khali




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