Field Notebook: Florida. 1911, 1912
Page 18
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Transcription
to the sea and which one sees or meets in marine Paleyric sandstones. In this dune sand there are no shells except on the outer sea-side. Traces of palms, red-jacks and palm trees are common, where they are from off of the strong seas. The dunes from the sun here everyday as far as I could see. And land one occasionally sees the remnants of older dunes but as rule they are almost and all the land is flatened out. The grain of the beach sand is very fine, are a transparent quartz. The grains are very irregular in shape and while the edges are rounded there is also much crystalline fracture. There are also fine grains of a round nature that I take the comminuted pieces of shells. In amount this will vary from place to place. On the beach there are many circular elevations made by some turtles digging down to the water level and throng of the column of sand. Others made critical sized grooves ranging 2 to 3 miles long at one end of which lay the turtles. A flatina shell an inch in diameter will make a pile of crescentic markings of to 2 1/2 miles across. I dug up a number, the