PHILLIP ELLIOTT PLAYFORD: A LIFE OF GEOLOGY, EXPLORATION, AND HISTORY
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Roger M. Hocking, Anthony E. Cockbain, 2017. "PHILLIP ELLIOTT PLAYFORD: A LIFE OF GEOLOGY, EXPLORATION, AND HISTORY", NEWADVANCES IN DEVONIAN CARBONATES: OUTCROP ANALOGS, RESERVOIRS AND CHRONOSTRATIGRAPHY, Ted E. Playton, Charles Kerans, John A.W. Weissenberger
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Phil Playford was introduced to the Devonian reef complexes of the Canning Basin, Western Australia (WA) in 1956, at the age of 25 while working for West Australian Petroleum Pty Ltd (WAPET), the discoverers of the first oil field in WA, at Rough Range. Thus began a life-long love affair with these superbly exposed rocks. The Aboriginal cave paintings in the limestone ranges sparked a parallel interest in the significance of the land’s heritage and the mapping of tribal boundaries in the Kimberley.
WAPET was keen to rehire Phil after he completed a PhD at Stanford on the Egan Range in eastern Nevada in 1959–1960 and had returned to WA, but he saw fieldwork had slid to a lower priority. He instead joined the Geological Survey of Western Australia (GSWA) in 1962, as Supervising Geologist of the Sedimentary (Oil) Division, and resumed field work on the reef complexes. This resulted in GSWA Bulletin 118, Devonian Reef Complexes of the Canning Basin, Western Australia, published in 1966. Phil was immensely proud that Bulletin 118 was a recommended university-level textbook in the United States and sold out as a result, but it was clear that he thought of it more as a beginning than the final word on the reefs. Fieldwork continued each winter in the Canning, along with papers on the various aspects of the field geology with various coauthors, throughout Phil’s professional career with the GSWA. Periodic field excursions to show the many facets of the reefs were always popular, the earliest ones usually including overflights for spectacular views of the exhumed paleogeography. The Canning reef complexes were the subject of lecture tours in the United States and Europe in the 1970s and 1980s, and Phil visited many ancient reefal outcrops overseas.
After a stint as Assistant Director General of the GSWA’s parent body, the Department of Mines and Energy, Phil became Director of the GSWA in 1986, fulfilling a career-long ambition. One of his conditions of acceptance of all administrative positions was that he be allowed to devote time each year to geological research, meaning an annual excursion to the reef complexes, often with side trips to other localities such as Shark Bay, the Zuytdorp Cliffs, and Rottnest Island. He retired in 1992, but “retirement” was merely the start of a renewed phase of research on the Canning exposures, together with work on his many other interests, including Quaternary geology of Shark Bay and Rottnest Island, early voyages around Western Australia, Dutch shipwrecks, and possible megatsunamis.
From this work came:
Carpet of Silver (1996), which detailed his research on the Zuytdorp wreck
Voyage of Discovery to Terra Australis: by Willem De Vlamingh, 1696–97 (1998), following Phil’s discovery of de Vlamingh’s personal journal
GSWA Bulletin 145 (2009) on the reef complexes, which covered not only the Devonian field geology, but also Permian glaciation and its imprint on the reefs; the maps included with the Bulletin identify all the Aboriginal place names recorded during decades of field work
GSWA Bulletin 146 (2013) on the geology of Shark Bay, which covered not only the Quaternary geology and remarkable stromatolites, but also included much of the history of the Shark Bay region extending back to the early Dutch explorers, and topics arising from the Shark Bay research, particularly possible records of tsunamis along Western Australia’s coastline, and Quaternary geology and tectonism along the western margin; and
The Life and Times of Dirk Hartog, which he coedited, to mark the 400th anniversary of Dirk Hartog’s landing on the island that bears his name.
Sadly, Phil was diagnosed with cancer late in 2015, and passed away amongst family in July 2017. He was unable to complete his synthesis of the geology of Rottnest Island, intended to be GSWA Bulletin 147 and the finale to a trilogy of bulletins.
Phil was always a field geologist first and foremost. He stressed the importance to “go bush” and reinforced to geologists of all ages that there is no substitute for walking on the rocks. He has lived by, and frequently expressed, H.H. Read's words, “the best geologist is he who has seen the most rocks”, with the qualifier, “and appreciated the most rocks.” He will be sorely missed by his many friends, colleagues, and protégés both in Australia and overseas.
Figures & Tables
The Devonian stratigraphic record contains a wealth of information that highlights the response of carbonate platforms to both global-scale and local phenomena that drive carbonate architecture and productivity. Signals embedded particularly in the Middle-Upper Devonian carbonate record related to biotic crises and stressed oceanic conditions, long-term accommodation trends, and peak greenhouse to transitional climatic changes are observed in multiple localities around the world and temporally constrained by biostratigraphy, highlighting distinct and impactful global controls. Devonian datasets also stress the importance of local or regional phenomena, such as bolide impacts, the effects of terrestrial input and paleogeography, syn-depositional tectonics, and high-frequency accommodation drivers, which add complexity to the carbonate stratigraphic record when superimposed on global trends. The unique occurrence of well-studied and pristinely preserved reefal carbonate outcrop and subsurface datasets, ranging across the globe from Australia to Canada, allows for a detailed examination of Devonian carbonate systems from a global perspective and the opportunity to develop well-constrained predictive relationships and conceptual models. Advances in the understanding of the Devonian carbonate system is advantageous considering, not only the classic conventional reservoirs such as the pinnacle reefs of the Alberta Basin, but also emerging conventional reservoirs in Eurasia, and many unconventional plays in North America. The papers in this volume provide updated stratigraphic frameworks for classic Devonian datasets using integrated correlation approaches; new or synthesized frameworks for less studied basins, reservoirs, or areas; and discussions on the complex interplay of extrinsic and intrinsic controls that drive carbonate architectures, productivity, and distribution. The 13 papers in this special publication include outcrop and subsurface studies of Middle to Upper Devonian carbonates of western Canada, the Lennard Shelf of the Canning Basin, Western Australia, and the western USA.