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Fig. 2 | Journal of Palaeogeography

Fig. 2

From: Recurrent hardgrounds and their significance for intra-basinal correlations: a case study of upper Bathonian rocks from the western margin of the Indian craton

Fig. 2

Field photographs. a Truncated megaripple surface of HG I exposed, River section E of Jajiya village (locality 3); b and c Close-up views of encrusting oysters on HG I, which are occasionally bored, Kuldhar River section (locality 5). Note shells and borings are covered with a thin iron crust; d Close-up view of HG II showing Gastrochaenolites, 11 km milestone section, along the Jaisalmer-Sum road (locality 6). Note irregular outline of the bored hardground surface; e Close-up view of HG III showing oysters encrustation and bored pebbles, 11 km milestone section, along the Jaisalmer-Sum road (locality 6); f Polished cross-section of HG II showing bivalve borings (Gastrochaenolites isp.; white arrows) and the stromatolitic ferruginous crust (red arrow), Kuldhar River section (locality 5); g Broken cross-section of HG II showing worm borings (Trypanites isp.; arrow), Kanod River section (locality 9)

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