Karst landscapes develop where soluble rocks, especially limestone, are dissolved by water. Sinkholes, disappearing streams, springs and caves are sur
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Columnar basalt is a striking volcanic rock formation in which cooling lava is divided into long, polygonal columns. The geometry is natural: it devel
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Good field geology begins with planning and respect for the site. Responsible observation protects people, geological features and the evidence that f
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Fossils are most informative when their geological context is recorded. The position of a fossil within a bed, its relationship to other fossils and t
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Bedding records the layering of sedimentary rocks and provides a reference for reconstructing how strata were deposited and later deformed. Its orient
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A field notebook is more than a diary of a trip: it is the record that allows observations to be checked, compared and interpreted after the landscape
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Weathering breaks down or alters rock in place, whereas erosion removes and transports material. The processes often operate together, but separating
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