Chlorine-Rich Amphiboles from the Grenville-Age Hudson Highlands of New York State

IF 1.1 4区地球科学 Q3 MINERALOGY Canadian Mineralogist Pub Date : 2021-01-08 DOI:10.3749/CANMIN.2000052

Alexandra J. Gilland, Laurel I. Hebert, Diego R Javier-Jiménez, J. M. Masi, Shannon R. Meyler, Spencer G. Schwartz, E. A. Verhaeg, John M. Hughes, E. Lincoln, G. P. O'Brien, Sarah K. Powers, R. Schireman, M. Lupulescu, D. G. Bailey

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Abstract

Some Grenville-age rocks exposed in the uplifted region of the Hudson Highlands of southern New York are amphibole-dominant igneous rocks. The amphibole-rich rocks, which are locally pegmatitic in nature, are associated with magnetite ore and coarse-grained syenite; the ore was discovered and mined from the middle of the 18th century to the end of the 19th century. The amphiboles have attracted the attention of many researchers for nearly two centuries. Chemical analyses demonstrate that they are pargasite or hastingsite in composition and are particularly rich in Cl and K. High-precision crystal structure analyses of 11 Cl-rich amphiboles from the Hudson Highlands (0.0134

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纽约州格伦维尔时代哈德逊高地的含氯两栖动物

暴露在纽约南部哈德逊高地隆起区域的一些格伦维尔时代的岩石是以角闪石为主的火成岩。富含角闪石的岩石是局部伟晶岩，与磁铁矿和粗粒正长岩有关；该矿是在18世纪中期至19世纪末发现和开采的。近两个世纪以来，角闪石一直吸引着许多研究人员的注意。化学分析表明，它们在成分上是共气化岩或辉长岩，特别富含Cl和K。对哈德逊高地11种富含Cl的角闪石（0.0134

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来源期刊

Canadian Mineralogist 地学-矿物学

CiteScore

2.20

自引率

22.20%

发文量

审稿时长

4-8 weeks

期刊介绍： Since 1962, The Canadian Mineralogist has published papers dealing with all aspects of mineralogy, crystallography, petrology, economic geology, geochemistry, and applied mineralogy.