Mineralogy, chemistry and rock mechanic parameters of katoite-bearing rock from the Hatrurim Basin, Israel

被引：9

作者：

Vapnik, Yevgeny ^{[1
]}

Palchik, Vyacheslav ^{[1
]}

Galuskina, Irina ^{[2
]}

Banasik, Kamila ^{[2
]}

Krzykawski, Tomasz ^{[2
]}

机构：

[1] Ben Gurion Univ Negev, Dept Geol & Environm Sci, POB 653, IL-84105 Beer Sheva, Israel

[2] Univ Silesia, Dept Earth Sci, Bedzinska 60, PL-41200 Sosnowiec, Poland

来源：

JOURNAL OF AFRICAN EARTH SCIENCES | 2018年 / 147卷

关键词：

Katoite-bearing rock; Composition; Mineralogy; Pyrometamorphism; Belite sulfoaluminate concrete; Strength parameters; VIBRATIONAL-SPECTRUM; NATURAL ANALOG; HYDROGROSSULAR GROUP; APUSENI MOUNTAINS; CENTRAL JORDAN; NEGEV DESERT; MOTTLED ZONE; CORNET HILL; DEAD-SEA; CEMENT;

D O I：

10.1016/j.jafrearsci.2018.06.020

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Katoite-bearing rock was revealed in the Hatrurim Basin, Israel. The rock formed by hydration of pyrometamorphic calc-silicate assemblages at temperatures higher than 200 degrees C. The likely age of the hydration process is Miocene, about 6.2 Ma. The main phases of katoite-bearing rock are minerals of the katoite-grossular series, calcium hydrosilicates, fluorapatite and carbonate. Chemistry and mineralogy of katoite-bearing rock resembles belite sulfoaluminate concrete. Studied samples show two sets of porosities, which are low and high, between 22 and 28% and between 29 and 39%, respectively. Increased porosity characterizes non-weathered katoite-bearing samples, whereas decreased porosity is linked to carbonation during weathering. Katoite remained stable in spite of natural alkaline leaching. Although high porosity samples display decreasing strength parameters, most observed rock mechanic characteristics are comparable to modern-day concrete. We suggest that obtained data on natural katoite-bearing rock can simulate the longevity and durability of belite sulfoaluminate concrete.

引用

页码：322 / 330

页数：9

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