WorldWide Drilling Resource

79 WorldWide Drilling Resource ® DECEMBER 2013 In Memoriam Clifford M. Faulkner (1929~2013) The Ontario Ground Water Association expressed their deepest sympathies on the passing of Clifford M. Faulkner on October 7, 2013. He was a highly respected, retired well inspector from the Ministry of the Environment, London region, during the era of routine field inspections and follow up. He was very concerned about well abandonment procedures to protect the groundwater and lobbied ministry officials for tougher rules and enforcement before he retired. Clifford is survived by his wife of 63 years Evelyn; daughters Diane (Garvey) and Cindy (Stephen); sons Murray (Lynda) and John (Cindy); nine grandchil- dren, and two great-grandchildren. The management and staff of WorldWide Drilling Resource ® offer their condolences to Clifford’s family and friends. Frequently-Used Geological Terms Part 25 Glossary Adapted from the Dictionary of Geological Terms G - Continued Growth Ring - The layer of wood produced in a tree during its annual growth period. Guano - A fertilizer containing the accu- mulated excrement of seabirds or bats. Gulf - A relatively large part of the ocean or sea extending far into the land. Gully - A small channel produced by running water in earth or unconsolidat- ed material. Gut - A very narrow passage or chan- nel connecting two bodies of water. Gymnosperm - A plant whose seeds are commonly in cones and never enclosed in an ovary. Gypsum - A widely distributed mineral consisting of hydrous calcium sulfate. Gypsum Flower - Curved, twisted crys- tal growths of gypsum, resembling flow- ers, attached to a cave wall. Gyre - A circular motion of water in each of the major ocean basins, cen- tered on a subtropical high-pressure region. H Habit - The characteristic crystal form or combination of forms of a mineral. Hadal - Pertaining to the deepest ocean environment, specifically ocean- ic trenches which are over four miles in depth. Hand Specimen - Apiece of rock trimmed to a convenient size for megascopic study and preservation in a reference or study collection. Hard Rock - Rock requiring drilling and blasting for its removal. Hawaiian-type Bomb - A type of vol- canic bomb formed when a still-plastic clot of lava strikes the ground, so its shape is controlled by impact, not by its flight through the air. Hawaiian-type Eruption - A type of volcanic eruption in which great quanti- ties of extremely fluid basaltic lava are poured out, mainly issuing in lava foun- tains from fissures on the flanks of a volcano. Heat Budget - The amount of heat required to raise the water of a lake from its minimum temperature to its maxi- mum temperature. Heaving shale - An incompetent or hydrating shale that runs, falls, swells, or squeezes into a borehole. Helictite - Acurved, twiglike cave deposit, usually of calcite, that grows at the free end by deposition from water emerging there from a nearly microscopic central canal. Hemimorphic - Said of a crystal with polar symmetry, so its two ends have different forms. Heredity - All the qualities and poten- tialities an individual acquired geneti- cally from its ancestors. Photo of Hawaii-type eruption courtesy of hvo.wr.usgs.gov We will continue H next month.