The Deccan volcanic province (DVP; ~65 Ma old) of India is one of the classic examples of continental flood basalts. One of the most favoured hypotheses for DVP emplacement is “eruption through fissures” facilitated by major pre or syn-Deccan crustal extension. Determination of magma flow direction in its feeder dyke system provides clues on its possible association with a mantle plume, depth and number of the feeder chambers and other important geodynamic information on magma emplacement relevant in arguing about such hypotheses. In this paper, we have studied Dhule-Nandurbar Deccan (DND) dyke swarm (~210 mappable dykes) from Western India, that intruded compound basaltic (older than dykes) Deccan lava flows. Magnetic fabric which is commonly used as a proxy for magma flow fabric, was analysed in multiple oriented dyke samples using Anisotropy of Magnetic Susceptibility (AMS) technique. AMS analysis suggests that the studied dykes display dominantly subvertical to inclined flow and occasional sub-horizontal/lateral flow. The cumulative flow geometry further suggests the presence of multiple sub-surface magma centres (polycentric flow) from which magma pulses got injected through crustal fissures forming this magnificent dyke swarm that ultimately fed significant volume of the DVP.

印度的德干火山省（DVP；约 65 Ma 旧）是大陆洪水玄武岩的典型例子之一。DVP 布置的最受青睐的假设之一是“通过裂缝喷发”，由主要前或同步促进。-德干地壳延伸。确定岩浆在其馈线岩脉系统中的流动方向提供了线索，说明它可能与地幔柱、馈线室的深度和数量以及与争论这些假设相关的岩浆侵位的其他重要地球动力学信息有关。在本文中，我们研究了来自印度西部的 Dhule-Nandurbar Deccan (DND) 岩脉群（~210 个可测绘岩脉），它侵入了复合玄武岩（比岩脉更古老）德干熔岩流。使用磁化率各向异性 (AMS) 技术在多取向岩脉样品中分析了通常用作岩浆流动织物代理的磁性织物。AMS 分析表明，所研究的堤坝显示主要是从垂直到倾斜的流和偶尔的亚水平/横向流。