Major and trace element data for the Mehmetalan (ME), Mollatopuz (MO), and Alabayir (C) diabase dykes in turkey

The diabases cut across the ophiolites as parallel and variably thick dyke-swarms. Geochemistry of the diabases reveals three distinct groups, including a) supra-subduction zone (SSZ) type, which is characterized by marked Nb-anomaly and normal mid-ocean ridge basalt (N-MORB) like HFSE distribution, b) enriched MORB (E-MORB) type, showing some degree of enrichment relative to N-MORB, c) oceanic-island basalt (OIB) type with characteristic hump-backed trace element patterns, coupled with fractionated REE distribution.

辉绿岩以平行且厚度不均一的岩墙群形式穿切蛇绿岩。对该辉绿岩的地球化学分析显示其可划分为三个截然不同的类别：a) 俯冲带上方（supra-subduction zone, SSZ）型，以显著的铌异常及与正常洋中脊玄武岩（normal mid-ocean ridge basalt, N-MORB）相似的高场强元素（high field strength element, HFSE）配分特征为标志；b) 富集型洋中脊玄武岩（enriched MORB, E-MORB）型，相对正常洋中脊玄武岩表现出一定程度的元素富集；c) 洋岛玄武岩（oceanic-island basalt, OIB）型，具有典型的驼峰状微量元素配分模式，并伴随稀土元素分馏分布。