Fingal Head, New South Wales Letitia, which they found had entered the Tweed. Hence the naming of Letitia Point. There is also every suggestion that Dixon made reference to the Giant's Causeway. It is highly probable that "Fingal Head" was named after Fingal's Cave on the island of Staffa in the Inner Hebrides of Scotland because of the similarity in appearance due to naturally formed Columnar Basalt outcrops which extend above the ocean surface. The local aboriginal people were the Minjungbal, but white settlement significantly impacted the population in the late 19th to early 20th century., In 1933, the last female full-blood Aborigine on the
Cave of the Crystals only endure approximately ten minutes of exposure at a time. The cave was discovered by the brothers Eloy and Javier Delgado. It has since been allowed to re-flood, with the cavern now filled once more with the water rich in minerals required for the crystals to grow. A group of scientists known as the "Naica Project" have been heavily involved in researching these caverns. Naica lies on an ancient fault above an underground magma chamber which is approximately below the cave. The magma heated the ground water which was saturated with sulfide ions (S). Cool oxygenated surface water contacted the