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Contributions to Virginia Geology. Vi VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 88 CONTRIBUTIONS TO VIRGINIA GEOLOGY. VI N. H. Evans, Editor COMMONWEALTH OF VIRGIMA DEPARTMENT OF MINES, MINERALS AND ENERGY DIVISION OF MINERAL RESOURCES Robert C. Milici, Commissioner of Mineral Resources and State Geoloeist CHARLOTTES VILLE, VIRGIMA 1989 FRONT COVER: Pillow structures in the Catoctin Formation. Smail pillows showing weli <iefined rims are exposed in this outcrop located beside the Appalachian Trail about 300 meters north of State Road 636 (norttr of the Lynchburg Reservoir). These lavas are thought to have been extruded into a lake or shallow body of marine water. VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 88 CONTRIBUTIONS TO VIRGINIA GBOLOGY . VI N. H. Evans, Editor COMMONWEALTH OF VIRGIMA DEPARTMENT OF MINES, MINERALS AND ENERGY DIVISION OF MINERAL RESOURCES Robert C. Milici, commissioner of Mineral Resources and state Geologist CHARLOTTES VILLE. VIRGIMA 1989 DEPAR.TMENT OF MiNES, MINERALS AND ENERGY RIC}{h{OND. VIRGIMA O" GENE DISI{L{ER. Director C OI'4-MTJN-WE ALTH OF V IR. G n'lTI A DEPARTh,ffiiqT CF PUR"CFLA.SES A}{D SUPPLY RICHL,{OND Copyright 1989 Comrnonwealth oi vkErnia Porticns of tilis g:ubiiea[icn rnay he qurted if credit is grven [n {he \rirginia Division of Mineral Resources. I Memorial of David R. Wones theJemezMountains,New Mexico, andwithpaul C. Bateman 13, July 1932-{ctober ZS,l9E4 in the Sierra Nevada His interests in ttre stability of micas in the pnesence of silicate melt and in the relative sability of David B. Stewart biotite ard hornblende in granitic magma st€m from these National Center 959, U.S. Geological Survey field seasons. With field observations as his guide, he fo- Resson, Virginia Z2A9Z cussed his experimenal work to calibrate the physical prop- efties ofphases so that they could be measured and be inter- David R. Wones was born in San Francisco to pretod to yield estimates of the intensive parameters prevail- Colonel Edward pearson M. and lvln. llannah Wones, their ing during their formation. He atso stimulated many col- second son and third child. Colonel Wones was a hospital leagues, most notably H. R. Shaw, !o develop new methods administraor in ttre U.S. Army and had assignments in of connolling hydrogen fugacity for experiments on rock- Colorado, Hawaii, llinois, Kansas, Oklahoma, and Texas forming minerals. during Dave's youth. The Wones family loved literature, In 1967 Frank Press enticed Dave back o MIT as drama, and music. Dave's fatherwas especially fond of opera associate professor ofgeology o teach mineralogy, phase and poe0ry, and Dave and his father spent their last moments equilibria, and physical geology. Dave enjoyed teaching together reciting poetry. Dave was particularly interested in very much, and his enthusiasm and giving of himself anracted the theater throughout his life; he also was shamelessly students, several of whom completed advanced degrees in addicted composing to limericks on short nodce, wherein geochemistry and petrology ofNew England granites. When humor and zeal pseudomorphed meter. the Apollo 12 and 14 lunar landings took place in 1969-7I, Dave graduared in 1950 from Thomas Jefferson Dave was part of the preliminary examination team that High School in San Antonio, Texas. In 1954, he received an described and catalogued ttre lunar samples immediately S.B. from Massachusetts Institute of Technology, where he after their delivery to Houston. studied with H. W. Fairbairn and acquired a life-long interest In 1971 Dave returned to the U.S. Geological Sur- in the plutonic rocks of northeastern ldassachusetts. Dave's vey as Chief of the Branch of Experimental Geochemistry graduate work at MIT, at the suggestion of his advisor, G. J. and Mineralogy. While managing and leading this diverse F. MacDonald, combined thermodynamics with experimen- research group, he also began field mapping of the Lucerne tal geochemistry and petrology. As recipientof the Vannevar pluton in ldaine to meet Paul Bateman's challenge that he Bush Fellowship, he was able o do ttris work at the Geo_ should obtain data for New England granitic plubns to com- physical Laboraory of the Carnegie Institution of Washing- plement the data available for Sierra Nevada plutons. He also ton. It was there on his first visit that I met him in 1956, and began to compile data on the granitic plutons of the nofihern we berame close friends for the rest of his life. As a pre_ Appalachians, seeking patterns from their chemistry that doctoral fellow at the Geophysical Laboratory in the extraor- might yield clues to magma soruce regions and be used to dinarily gmd timesof 1957-1959, Daveworkedclosely with constrain models forcontinental accretion. On completion of Han P. Eugster phase on the relations of biotites, on the join his branch chief responsibilities, Dave returned to experi- phlogopite-annite, andon ferriannite. These studies led to his mental perology and intensified his mapping and petrro- Ph.D. in 1960 from MIT. He and his colleagues continued to graphic andgeochemical work onplutonicrocks from Maine work on micas through the years. One of his last papers, and Massachusetts. By then he was becoming chronically coauthored with his close friend and colleague, David A. overcommitted and recognized that he had more ideas and Hewitt, summarized years 25 of experimental data on mica exciting things to do than there ever would be time for. He slability and noted how deceptive, complex, and difficult this realizod that he needed the interactions with many colleagues mineral group is. The Mica volume, No. 13 of this Society's !o bring some of his hopes to fruition. When the opportunity Reviews in Mineralogy, was dedicated to his memory by col_ to teach was offered again in 1977 as Professor of Geology at Ieagues to acknowledge his contributions and the stimulus of Virginia Polytechnic Institute and State University, he ac- his interactions with them on mica problems. Wonesite, a cepted, knowing that the questions of thoughtful students Na-rich nioctaheral mica like phlogopite, was named in his would prevent his ever becoming "old and stodgy." honorin l98l byhis friendsFrankS. Spear,RobertM. Hazen, The Virginia Tech environment was ideal, and six and Douglas Rumble, III. master's degrees and one doctorate were completed under his Dave joined the geological rhermometry project at direction. Studies by seven other students are in progress. the U.S. Geological Survey in 1959 and performed experi- Important new evidence for the juxtaposition of discrete mental work on micas and feldspan, while interacting with crustal blocks in the northern Appalachians has been devel- large group a of experimentalists, crystallogmphers, and oped with his guidance and inspiration. field geologists. To better formulate the experiments that Dave thought very deeply about what the distribu- would contribute most to an undersanding of geological tion of granitic rocks in the northern Appalachians can tell us problem s, he spent summers with Robert L. Smittr and Roy A. about geologic processes. His own contributions had just Bailey in long-established Survey field mapping projecrs in begun to be published. His presidential ad&ess to this l. Reprinted from American Mineralogist,v.T0, p. L32l-1323, 1995. Society in 1979 on the Lucerne batholith was but the begin- joys of life such as honey, string beans, beer' and clams. He ning. Another installment, the paper with Andrew and gamely balanced his diet, when appropriate, with fruis such ldselle in 1983, considered oxygen and srondum isotopes as pinot noir, cabernet sauvignon, chardonnay, riesling' and - intellec- for a Eansect across the orogen from northwestern [o eastem oaky zinfandel. There simply were no challenges IvIaine" In two absracts published posthumously, Wones tual or physical - that he turned away from. considered the tectonic environmentof magma generation in Dave was much involved with this Society. He New England; papers on the distribution of pluons and their joined it in 1959, was elected a Fellow in 1965, and was chemistry and field relations that were in preparation will be President of the Society in 1978-79. He was also a Fellow of completed by colleagues. the American Geophysical Union and of the Geological Dave contributed much to the Intemational Geo- Society of America. logical Conelation Project on the Caledonides, especially by Dave married Constance Gilman in 1958, and she his leadership in the study of plutonic rocks, by lecturing at and ttreir fourchildren Edward, Andres, Sarah, and Suzanne IGCP conferences, by organ izing a conference at Blacksburg survive him. He was devoted o his family and to his church" and editing its proceedings volume, and by hosting and par- He had many social concerns and took a leading role in ticipating in many field trips. community responsibilities. Although some of us remember him more as a Dave Wones was a scholar, a naturalist, a generous scientist than as an administrator, Wones served with dedica- and sharing person, and an exceptionally intelligent and tion for four years as Chairman of ttre Department of Geo- broad scientist who happily contributed much to the lives of logical Sciences at Virginia Tech, ending his term in S eptem- evoryone he knew. His joyful spirit, zest for life, and ber 1984. A month later he was tragically killed in an boundless energy were vital parts of many lives, and he is automobile accident while fulfilling with typical dedication sorely missed. Ata memorial service for him at Virginia Tech the additional responsibility !o meet an old friend who came on November I 6, I 984, his student, Diana N' Solie, expressed to visit the Department. all this in his favorite verse form: A scientist with many skills, Dave Wones to a "Twas biotites that first gave him fame $eater extent than anyone I have known brought ft*ry, Perologists all know his name; experiment, and field observations togefter o interpret the But to us Dave was more; origin of granitic rocks and their constituent minerals.
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