Geochemistry and mineralogy of a modern buserite deposit from a hot spring in Hokkaido, Japan

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Authors:Usui, Akira; Mita, Naoki
Author Affiliations:Primary:
Geological Survey of Japan, Ibaraki, Japan
Volume Title:Clays and Clay Minerals
Source:Clays and Clay Minerals, 43(1), p.116-127. Publisher: Clay Minerals Society, Clarkson, NY, United States. ISSN: 0009-8604
Publication Date:1995
Note:In English. 60 refs.; illus., incl. 3 tables, sketch maps
Summary:The hot spring water discharging from a flank of an active volcano is precipitating unique monomineralic manganese deposits over volcanic terrain. The major and trace element chemistry, XRD mineralogy, DTA, and SEM observations indicate that the deposits consist of 10 Å phyllomanganate (buserite) accommodating inter-layer Ca and Mg with negligible amounts of detrital minerals. Other metallic elements can be accommodated by buserite, but concentrations are negligible ranging less than 10 ppm to 500 ppm. Abundance and pattern of REE (less than 100 ppm in total) are similar to those from hydrothermal manganese deposits. The buserite is enriched in Ca and Mg but depleted in Na in comparison with those in the spring water. The distribution coefficients for Ca, Mg and Na between the buserite and the host water were calculated assuming an ion-exchange equilibrium in the Yuno-Taki Fails, which proved applicable to other manganese deposits from surficial environments on land and oceans.
Subjects:Buserite; Cenozoic; Chemical composition; Chemically precipitated rocks; Clay mineralogy; Crystal chemistry; DTA data; Geochemistry; Ground water; Holocene; Hot springs; Ion exchange; Major elements; Manganese ores; Metal ores; Mineral composition; Modern; Oxides; Phase equilibria; Precipitation; Quaternary; Sedimentary rocks; SEM data; Siliceous sinter; Springs; Thermal waters; Todorokite; Trace elements; Volcanoes; X-ray diffraction data; Asia; Far East; Hokkaido; Japan; Akan; Mount Me-Akan; Yuno-Taki Falls
Coordinates:N433000 N433000 E1441000 E1441000
Abstract Numbers:95M/4712
Record ID:1995034870
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Abstract, Copyright, Mineralogical Society of Great Britain and Ireland
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072 7 |a 02C  |2 georeft 
072 7 |a 01C  |2 georeft 
072 7 |a 27A  |2 georeft 
100 1 |a Usui, Akira  |e analytic author  |u Geological Survey of Japan, Ibaraki 
245 1 0 |a Geochemistry and mineralogy of a modern buserite deposit from a hot spring in Hokkaido, Japan 
300 |a p. 116-127 
500 |a In English. 60 refs. 
500 |a Abstract number: 95M/4712 
500 |a Affiliation: Geological Survey of Japan; Ibaraki; JPN; Japan 
500 |a Key title: Clays and Clay Minerals 
500 |a Source note: Clays and Clay Minerals, 43(1), p.116-127. Publisher: Clay Minerals Society, Clarkson, NY, United States. ISSN: 0009-8604 
500 |a Publication type: journal article 
504 |b 60 refs. 
510 3 |a GeoRef, Copyright 2019 American Geosciences Institute. Abstract, Copyright, Mineralogical Society of Great Britain and Ireland 
520 |a The hot spring water discharging from a flank of an active volcano is precipitating unique monomineralic manganese deposits over volcanic terrain. The major and trace element chemistry, XRD mineralogy, DTA, and SEM observations indicate that the deposits consist of 10 Å phyllomanganate (buserite) accommodating inter-layer Ca and Mg with negligible amounts of detrital minerals. Other metallic elements can be accommodated by buserite, but concentrations are negligible ranging less than 10 ppm to 500 ppm. Abundance and pattern of REE (less than 100 ppm in total) are similar to those from hydrothermal manganese deposits. The buserite is enriched in Ca and Mg but depleted in Na in comparison with those in the spring water. The distribution coefficients for Ca, Mg and Na between the buserite and the host water were calculated assuming an ion-exchange equilibrium in the Yuno-Taki Fails, which proved applicable to other manganese deposits from surficial environments on land and oceans. 
650 7 |a Buserite  |2 georeft 
650 7 |a Cenozoic  |2 georeft 
650 7 |a Chemical composition  |2 georeft 
650 7 |a Chemically precipitated rocks  |2 georeft 
650 7 |a Clay mineralogy  |2 georeft 
650 7 |a Crystal chemistry  |2 georeft 
650 7 |a DTA data  |2 georeft 
650 7 |a Geochemistry  |2 georeft 
650 7 |a Ground water  |2 georeft 
650 7 |a Holocene  |2 georeft 
650 7 |a Hot springs  |2 georeft 
650 7 |a Ion exchange  |2 georeft 
650 7 |a Major elements  |2 georeft 
650 7 |a Manganese ores  |2 georeft 
650 7 |a Metal ores  |2 georeft 
650 7 |a Mineral composition  |2 georeft 
650 7 |a Modern  |2 georeft 
650 7 |a Oxides  |2 georeft 
650 7 |a Phase equilibria  |2 georeft 
650 7 |a Precipitation  |2 georeft 
650 7 |a Quaternary  |2 georeft 
650 7 |a Sedimentary rocks  |2 georeft 
650 7 |a SEM data  |2 georeft 
650 7 |a Siliceous sinter  |2 georeft 
650 7 |a Springs  |2 georeft 
650 7 |a Thermal waters  |2 georeft 
650 7 |a Todorokite  |2 georeft 
650 7 |a Trace elements  |2 georeft 
650 7 |a Volcanoes  |2 georeft 
650 7 |a X-ray diffraction data  |2 georeft 
651 7 |a Asia  |2 georeft 
651 7 |a Far East  |2 georeft 
651 7 |a Hokkaido  |2 georeft 
651 7 |a Japan  |2 georeft 
653 |a Akan 
653 |a Mount Me-Akan 
653 |a Yuno-Taki Falls 
700 1 |a Mita, Naoki,  |e analytic author 
773 0 |t Clays and Clay Minerals  |d Clarkson, NY : Clay Minerals Society, Feb. 1995  |x 0009-8604  |y CLCMAB  |n Clays and Clay Minerals, 43(1), p.116-127. Publisher: Clay Minerals Society, Clarkson, NY, United States. ISSN: 0009-8604 Publication type: journal article  |g Vol. 43, no. 1  |h illus., incl. 3 tables, sketch maps