. Bulletin of the Geological Society of America. Geology; Geology -- United States. COMPARISON OF ANCIENT AND MODERN SHORES. 73 In the formation of beaches there is a tendency to straighten crooked coast-lines by the construction of bars iu front of inlets, which are thus con- verted into bays or lagoons. Burlington bay, at the western end of Lake Ontario, is an illustration. Here, a narrow beach (fig. 5) cuts off a bay five ?miles long, whose depth is considerable, reaching to 78 feet. This is a particu- larly well-chosen example, for at the head of the bay there is a spit—named Burlington he
. Bulletin of the Geological Society of America. Geology; Geology -- United States. COMPARISON OF ANCIENT AND MODERN SHORES. 73 In the formation of beaches there is a tendency to straighten crooked coast-lines by the construction of bars iu front of inlets, which are thus con- verted into bays or lagoons. Burlington bay, at the western end of Lake Ontario, is an illustration. Here, a narrow beach (fig. 5) cuts off a bay five ?miles long, whose depth is considerable, reaching to 78 feet. This is a particu- larly well-chosen example, for at the head of the bay there is a spit—named Burlington heights (Ji, fig. 5), rising to 108-116 feet above the lake—. Figure 3.—Section showing the Floor of a Cut Terrace without Beach but with Boulder Pavement. P= Boulder pavement. W= Old water-level. cutting oft" an older bay, now represented by the Dundas marsh. This spit, when the waters were at its level, formed a portion of an ancient shore (to be described in a future chapter) in the same manner as Burlington beach forms a portion of the modern Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological Society of America. [New York, etc. ] The Society
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