Documentation of Mn-deposits of western Sicily
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Some marine iron pisolite beds from the Toarcian of western Sicily are described for the first time. These beds, which generally overlie the Liassic platform carbonates, are usually chocolate-brown in colour; they attain a maximum thickness of about 40 cm at one locality but are often tracable as centimetre-thick remanie horizons elsewhere. Their fauna comprises Tethyan ammonites, belemnites, gastropods, rare brachiopods, fish teeth, foraminifera and crinoid ossicles. […]
创建时间：
2025-11-13
