. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 162 carbonate sediments in Florida and the Bahamas, under the leadership of Robert N. Ginsburg of Shell Development Company. This course and accompanying field trips (Fig. la,b) introduced me to a vast new world of marine science. This is really where I belonged, I thought, but it would take some time to get there. * i. Figure 1. 1959. Shell Development Company Field Trip on Recent Carbonate Sediments: (a) Bob Ginsburg (with hat) encouraging a lagger to wade across a mud bank in Florida Bay. (b) Gene Shinn, Bo
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 162 carbonate sediments in Florida and the Bahamas, under the leadership of Robert N. Ginsburg of Shell Development Company. This course and accompanying field trips (Fig. la,b) introduced me to a vast new world of marine science. This is really where I belonged, I thought, but it would take some time to get there. * i. Figure 1. 1959. Shell Development Company Field Trip on Recent Carbonate Sediments: (a) Bob Ginsburg (with hat) encouraging a lagger to wade across a mud bank in Florida Bay. (b) Gene Shinn, Bob's new field assistant, encouraging participants to sample raw conch. After working for three years on the Mississippian of Saskatchewan, I was transferred to Calgary, Alberta, to work on the Devonian (Fig. 2a). I was eventually assigned to work with Leslie V. Illing, noted at that time for his classic study of Bahamian sediments. I worked with Les on the Devonian of the foothills and Rocky Mountains of Alberta (Fig. 2b). It was during a field trip to show Bob Ginsburg some of our work that I told him that I was interested in modern carbonate studies. He said: "If you are going to make a move, do it ; This meant abandoning my lucrative but sometimes tedious life as an oil geologist for the meager existence of a graduate student at McGill University. McGill's Bellairs Research Institute in Barbados brought me right back to my old home. It was there, with its director, John B. Lewis, that I collected data for my dissertation on the sediments and reefs off the west coast of the island. The most striking sea-floor topography off this coast consisted of two ridges cresting at 20 m and 70 m and running parallel to the entire west coast. This was my first encounter with what I interpreted to be relict submerged coral reefs that probably were flourishing shallow-water reefs during preexisting lower postglacial sea levels (Macintyre, 1967).. Please note that these images
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