Mineralogical Study on Phosphates in Sedimentary Rocks

沉积岩中磷酸盐的矿物学研究

• 批准号: 61540597
• 负责人: MATSUBARA Satoshi
• 金额: $ 1.34万
• 依托单位: National Science Museum
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1986
• 资助国家: 日本
• 起止时间: 1986 至 1987
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-61540597/
• 关键词: Sedimentary Rockc; Phosphates; Apatite Series Minerals; 藍鉄鉱系鉱物; 燐酸塩鉱物; 銀星石; プラネル石; ティンティック石; トルコ石

Primary phosphates in sedimentary rocks in Japan are apatite series mineral and vivianite mineral. From banded cherts in several localities secondary Al-and/or Fe^<3+> -phasphates are newly found. They are the products from decomosition of neardy apatite series minerals by sulphuric acid generated from associated sulphides after oxidation. Viviantite serirs minerals are commonly found in lacustrine clayey sedimeuts. Under a near surface condition,they alter to an amorphous material or ocasionally limonite after loss of phosphoric acid. However,in a rare case,are observed Mn-bearing Fe^<3+>-phosphates replaced vivianite series minerals. The occurrence of these phosphates may be controlled by manganese contents in vivianite series minerals and degree of oxidation.

日本沉积岩中的原生磷酸盐为磷灰石系列矿物和蓝铁矿矿物，在几个地区的条带状硅质岩中新发现了次生Al和/或Fe^<3+> -磷酸盐，它们是伴生硫化物氧化后生成的硫酸分解近源磷灰石系列矿物的产物。绿锑铅矿系列矿物常见于湖相粘土质沉积物中。在近地表条件下，它们在失去磷酸后转变为无定形物质或偶尔转变为褐铁矿。然而，在罕见的情况下，观察到含Mn的Fe^<3+>-磷酸盐取代蓝铁矿系列矿物。这些磷酸盐的赋存状态受蓝铁矿系列矿物中锰含量和氧化程度的控制。

项目成果

Matsubbara, Satoshi: "Turquoise-Planerite in Clay Deposit from Imaichi,Kanto,Japan" Minersl. Jour.

Matsubbara，Satoshi：“来自日本关东今市的粘土矿床中的绿松石-菱镁矿”Minersl。

Matsubara,Satoshi: 日本鉱物学会誌.

松原聪：日本矿物学会杂志。

Sakurai, Kin-ichi: "Koninckite toem the Suwa Mine,Chino City,Nagoya Prefecture,Japan" Bull. Natn. Sci. Tokyo,Ser. C. 13. 149-156 (1987)

樱井金一：“日本名古屋县茅野市诹访矿的Koninckite toem”公牛。

Matsubara S.: Mineral.Journ.Vol.14. (1988)

松原 S.：矿物杂志第 14 卷。