They are ferruginized, highly indurated and compacted. It is indurated in the upper valley while nonwelded in the lower. Argillite () is a fine-grained sedimentary rock composed predominantly of indurated clay particles. These deposits probably consist of both sedimentary rock and poorly indurated or unconsolidated sediments. Callous ulcer is a chronic nonhealing ulcer with hard indurated base and inelastic margins. Coquina is a poorly indurated form of shelly limestone. Surrounding the ulcers is usually a plate-like area of indurated skin. The church is constructed in indurated conglomerate and has tiled roofs. And he had forged a plough of indurated steel, all in one piece. R&colon; Bedrock, strongly cemented to indurated. These create pustular folliculitis and indurated plaques within the dermis. The lip may become scaly and indurated as AC progresses. In Rameswaram Island, the fluvio-marine deposits include indurated sand and dune sands. This leads to pustular folliculitis and indurated (thickened) plaques within the skin. The corn's center is not soft however, but indurated.