About this title - Lamprophyres, Lamproites and Related Rocks: Tracers to Supercontinent Cycles and Metallogenesis

Special Publications Pub Date : 2022-01-21 DOI:10.1144/sp513
L. Krmíček, N. C. Chalapathi Rao
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Abstract

Paleoproterozoic to Cenozoic lamprophyres, lamproites and related rock types (e.g., orangeites, kimberlites) are volatile-rich mafic magmatic rocks with a unique potential for the investigation of processes affecting mantle reservoirs. They originated from primary mantle-derived melts that intruded both cratons and off-craton regions, which were parts of former supercontinents – Columbia, Rodinia and Gondwana–Pangea. Well-known for hosting economic minerals and elements such as diamonds, base metals, gold and platinum-group elements, they are also significant for our understanding of deep-mantle processes, such as mantle metasomatism and mantle plume–lithosphere interactions, as well as large-scale geodynamic processes, such as subduction-related tectonics, and supercontinent amalgamation and break-up. This book aims to provide a timely overview of the state-of-the-art and recent advances as achieved by various research groups around the world. Mineralogical, geochemical, geochronological and isotope analyses are used to decipher the complex petrogenesis and metallogenesis of these extraordinary rocks, and unravel a complete history of tectonic events related to individual supercontinent cycles.
煌斑岩、煌斑岩和相关岩石:超大陆旋回和成矿作用的示踪剂
古元古代至新生代煌斑岩、煌斑岩及相关岩石类型(如橘岩、金伯利岩)是富含挥发物的基性岩浆岩,对研究影响地幔储层的过程具有独特的潜力。它们起源于侵入克拉通和离克拉通区域的原始地幔熔融体,这些区域是前超级大陆的一部分-哥伦比亚,罗丁尼亚和冈瓦纳-盘古大陆。它们以含有钻石、贱金属、金和铂族元素等经济矿物和元素而闻名,对我们理解地幔深部过程(如地幔交代作用和地幔柱-岩石圈相互作用)以及大尺度地球动力学过程(如俯冲相关构造、超大陆合并和破碎)也具有重要意义。这本书的目的是提供国家的最先进的和最近的进展,如在世界各地的各种研究小组所取得的及时概述。矿物学、地球化学、年代学和同位素分析被用来破译这些特殊岩石的复杂岩石成因和成矿作用,并揭示了与单个超大陆旋回相关的完整构造事件历史。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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