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| This view of the larger, southern, littoral cone of the Nanawale Sand Hills shows the layered interior of the cone. The layers consist chiefly of small glassy lava fragments and blocks hurled into the air by explosions during the 1840 eruption of Kilauea. The seaward sides of both cones were removed by wave erosion, and less than half of each cone remains. Person on top of cone gives scale (click on photo for larger image size). |