蛛丝
发表于 2025-3-25 06:07:50
Metallogeny of Oceanic-Type Crust of marginal basins behind some subduction-related arc systems (Karig 1971). Pearce et al. (1984) have also suggested, based on geologic observation and geochemical data, that many well-preserved ophiolite complexes formed directly above subduction zones, prior to mature arc construction.
无节奏
发表于 2025-3-25 09:04:04
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独特性
发表于 2025-3-25 12:09:54
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Blatant
发表于 2025-3-25 17:09:38
Metal Deposits Related to Advanced Stages of Rifting and very shallow-marine deposition to deep, starved basin-type environments. Still others may receive sufficient supplies of sediment to build up great thicknesses of sedimentary rocks (< 10 km) without acquiring deep-marine environments.
裙带关系
发表于 2025-3-25 20:32:29
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脆弱么
发表于 2025-3-26 02:11:31
Principal Arcs and Their Associated Metal Depositsn as “geostiir, but the initial enthusiasm of its proponents had to be tempered when it became clear that processes of magma generation in arc systems were complex, and involved a broader range of potential source materials than originally realized
缝纫
发表于 2025-3-26 07:53:47
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裹住
发表于 2025-3-26 09:46:49
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tinnitus
发表于 2025-3-26 14:28:18
Metal Deposits of Arc-Related Riftswas maintained during Permian time in central and western Europe, although it was clearly less significant in metallogenic terms. In the case of the Andes of South America, extensional regimes are only well documented in the extreme south, where the Rocas Verdes terrane is representative of a Cretaceous arc-related rifting event (Dalziel 1981).
种类
发表于 2025-3-26 20:17:47
Metal Deposits in Relation to Collision Eventsparated by large time intervals. It is also now recognized that many orogenic events are caused by accretional collisions that may involve just a fragment of continental-type crust or a relatively young arc system (Hoffmann 1988).