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Structural Pattern in the Ajabgarh Rocks Around Anakhar, District Ajmer
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An enormous nearly flat-lying isocline related apparently to the earliest recognisable deformational movement (F1) in the Ajabgarh rocks around Anakhar in Ajmer district is superposed by numerous upright open or tight structures formed during a later event (F2). Many minor F2 structures have a westerly sense of movement. Not only are the axes of the two sets of structures parallel, they also possess high directional stability. Top half of the westerly closing isocline has been denuded in the northwestern part of the area. The lithologic map in this part is therefore an axial planar representation of the early fold. Heron's contention that 'the huge pegmatite dike at Anakhar cuts vertically through a recumbent fold' therefore, appears to be strongly supported.
The youngest structures are broad warps (F3) lying at high angle to early structures but their axes have low directional stability owing to development of folds on surfaces of variable attitude.
Minor folds of all generations are rare in calc-schists but abundant in other lithologies. All the rocks in the area appear to have behaved as a multilayer complex during the first and second deformative phases with competent lithology sueh as calc schist controlling fold initiation and buckling.
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