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2. Mush Amalgamation, Short Residence, and Sparse Detectability of Eruptible Magma Before Andean Super‐Eruptions.

Author

Weber, G., Blundy, J., and Bevan, D.

Subjects
EXPLOSIVE volcanic eruptions, MAGMAS, AMALGAMATION, STRONTIUM isotopes, PLAGIOCLASE, VOLCANIC eruptions
Abstract

Giant volcanic eruptions have the potential to overturn civilizations. Yet, the driving mechanism and timescale over which batholithic magma reservoirs transition from non‐eruptible crystal mush to mobile melt‐dominated stages and our capacity to detect a pending super‐eruption remain obscure. Here we show, using Sr isotope zonation in plagioclase crystals from three Andean large‐magnitude eruptions (Atana, Toconao, and Tara ignimbrites), that eruptible magma forms by amalgamation of isotopically diverse crystal populations and silicic melt without large‐scale reheating. In each case, crystals record large isotopic diversity in crystal cores, converging toward a common value in crystal rims that coincides with the composition of the rhyolitic carrier melt. Using diffusion chronometry, we show that the assembled magma resided pre‐eruptively in the crust for timescales of no more than decades to centuries for Atana and Tara, but up to several millennia for Toconao. These timescales and isotopic observations are consistent with the accumulation and destabilization of melt‐rich layers in crystal mush. While the prospect of capturing such melt lenses with most geophysical monitoring techniques is pessimistic, gravity modeling indicates that such structures are potentially resolvable. Our findings provoke a new assessment of the origin and hazards associated with large magnitude explosive eruptions. Plain Language Summary: Super‐eruptions are the largest manifestation of explosive volcanism on Earth. If such an event would occur today, it could deeply impact human civilization on a global scale. Yet, signals that may emerge prior to such eruptions are difficult to constrain. To gain greater understanding of the mechanisms and timescales over which giant, eruptible, reservoirs form, and to evaluate our capacity of capturing the evolution toward large eruptions, we studied plagioclase crystals, a mineral that is an excellent recorder of magmatic processes. For three large eruptions in the Central Andes, we analyzed strontium isotopes in traverses from crystal cores to rims to provide a temporal record of melt composition. Our results show that, in each case, the eruptible magma amalgamated from distinct pre‐existing magma pockets that merged prior to eruption. This merged state of the magma did not exist for longer than a few hundred to thousands of years based on the preservation of the crystal strontium‐isotope traverses at high temperatures. These results are consistent with the destabilization of melt‐rich layers on timescales comparable to human lifespans. Although most geophysical imaging methods are unlikely to capture this process, our calculations indicate that gravity monitoring of super‐volcanoes can potentially resolve such structures. Key Points: Sr‐isotopes in plagioclase record the emergence of eruptible magma through amalgamation of pre‐existing mush in the Central AndesThe amalgamated magma did not reside at depth for longer than centuries to millennia based on diffusion chronometryForward modeling indicates that high‐precision gravity monitoring has large potential to resolve eruptible magma amalgamation [ABSTRACT FROM AUTHOR]

Published
2023
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33. Abstracts

Author

Korzeniewski, P., Lang, S. A., Grant, R., Loader, C., Vaghadia, H., Wong, D., Waters, T., Merrick, P., Ali, M. J., Dobkowski, W., Cornelius, T., Hawkins, R., Varkey, G. P., Claffey, Liam, Plourde, Gilles, Trahan, Michel, Morris, Joan, Dean, Deanne M., Yamaguchi, Hiroshi, Harukuni, Izumi, Naito, Hiroshi, Chan, V. W. S., Mati, N., Seyone, C., Evans, D., Chung, F., Joffe, D., Plourde, G., Villemurc, C., Hong, M., Milne, B., Loomis, C., Jhamandas, K., Priddy, R., Archer, D., Tang, T., Sabourin, M., Samanini, N., Cuillerier, D. J., Schuben, Armin, Awad, Issam A., Perez-Trepichio, Alejandro D., Ebrahim, Zeyd Y., Bloomfield, Eric L., Zexu, Fang, Zhengnua, Gu, Qing, Zou, Balhua, Sung, Miller, D. R., Martineau, R. J., Wynands, J. E., Hill, J. D., Knill, R. L., Skinner, M. I., Novick, T. V., McLean, R. F., Kolton, M., Noble, W. H., Sullivan, P. J., Cheng, D. C. H., Chapman, K. R., Ong, D., Roraanelli, J., Smallman, Bettina, Nathan, Howard J., Murphy, J. T., Hall, R. I., Moffitt, E. A., Hudson, R. J., Pascoe, E. A., Anderson, B. A., Thomson, I. R., Kassum, D. A., Shanks, A., Rosenbloom, M., Sidi, A., Gehrig, T. R., Fool, J. M., Rush, W., Martin, A. J., Cooper, P. D., Maltby, J. R., Johnson, D., Hurst, T., Mayers, I., Wigglesworth, D. F., Rose, D. K., Kay, J. C., Mazer, C. D., Yang, H., Beattie, W. S., Doyle, D. John, Demajo, Wlifred, Comfort, V. Kim, Code, William E., Rooney, Michael E., Clark, F. J. S., Sutton, I. R., Mutch, W. A. C., Thomson, I. R., Teskey, J. M., Thiessen, O. B., Rosanbloom, M., Tang, T. K. K., Robblee, J. A., Nathan, H. J., Wynands, J. E., Eagle, C. J., Belenkle, I., Chan, K. L., Tyberg, J. V., Stockwell, M., Zintel, T., Gallagher, G., Kavanagh, B., Sandier, A., Lawson, S., Chung, F., Ong, D., Isabel, L., Trépanier, C. A., Campbell, David C., Randall, Thomas E., Growe, Gershon H., Scarth, Irene, Sawchuk C. W. T., Ong B., Unruh H., Horan T., Greengrass R., Mark, D., Kitts, J. B., Curran, M. J., Lindsay, P., Polis, T., Coté, Sylvain, Socci, Maria, Wiesel, Saul, Conway, J. B., Seyone, C., Goldberg, J., Chung, F., Rose, D. Keith, Cohen, Marsha M., Rogers, Kent H., Duncan P. G., Pope W. D. B., Tweed W. A., Biehl D., Novick, T. V., Skinner, M. I., Mathieu, Alix, Villeneuve, Edith, Goldsmith, Charles H., Allen, Gregory C., Smith, Charles E., Pinchak, Alfred C., Hagen, Joan F., Hudson, J. C., Gennings, C., Tyler, B. L., Keenan, R. L., Chung, F., Seyone, C., Matl, N., Ong, D., Powell, P., Tessler, M. J., Kleiman, S. J., Wiesel, S., Tetzlaff, John E., Yoon, Helen J., Baird, Bruce, Walsh, Michael, Hondorp, Gregory, Wassef, Medhat R., Munshi, C., Brooks, J., Nimphius, N., Tweed, W. A., Lee, T. L., Tweed, W. A., Phua, W. T., Chong, K. Y., Lim, E., Finegan, B. A., Coulson, C., Lopaschuk, G. D., Clanachan, A. S., Fournier L., Cloutier R., Major D., Sharpe, M. D., Wexler, H. R., Dhamee, M. Saeed, Rooney, R., Ong, S. K., O’Leary, E., McCarroll, M., Phelan, D., Young, T., Coghlan, D., O’Leary, E., Blunnie, W. P., Splinter, W. M., Splinter, W. M., Ryan T., Maguire M., Bouchier-Hayes D., Cunningham A. J., Kamath, M. V., Fallen, E. L., Murkin, J. M., Shannon, N. A., Montgomery, C. J., Karl, H. W., Raymond, Jacques, Drolet, Pierre, Tanguay, M., Blaise, G., Garceau, D., Dumont, L., Omri, A., Sharkawi, M., Billard, V., Bourgain, J. L., Panos, A., Mazer, C. D., Lichtenstein, S. V., Bevan, J. C., Popovic, V., Baxter, M. R. N., Donati, F., Bevan, D. R., Bachman, C., Kopelow, M., Donen, N., Umôn, D. T., Kemp, S., Hartley, E., Sikich, N., Roy, W. L., Lerman, J., Cooper, Richard M., Yentis, S. M., Bissonnette, B., Halpern, L., Roy, L., Burrows, F. A., Fear, D. W., Hillier, S., Sloan, M., Crawford, M., Blssonnette, B., Sikich, N., Friedlander, M., Sandier, A. N., Panos, L., Winton, T., Benureof, J., Karski J., Teasdale S., Cruise C., Skala R., Zulys V., Ong, D., Chow, F., Packota, G., Yip, R., Bradley, J., Arellano, R., Sussman, G., Sosis, M., Braverman, B., Sosis, M., Ivankovich, A. D., Manganas, M., Lephay, A., Fournier, Th., Kadri, N., Ossart, M., Sandier, A. N., Turner, K. E., Wick, V., Wherrett, C., Sullivan, P. J., Dyck, J. B., Varvel, J., Shafer, S. L., Fiset, P., Balendran, P., Meistelman, C., Lira, E., Sloan, M., Nigrovic, V., Banoub, M., Splinter, W. M., Roberts, D. W., Rhine, E. J., MacNeill, H. B., Bonn, G. E., Clarke, W. M., Noel, L. P., Ryan T., Moriarty J., Bouchier-Hayes D., Cunningham A. J., Sandier, A. N., Baxter, A. D., Norman, P., Samson, B., Hull, K., Chung, F., Mali, N., Evans, D., Cruise, C., Shumka, D., Seyone, C., Leung, Peter T., Badner, N. H., Komar, W. E., Rajasingham, M., Farren, B., Vaillancourt, G., Cournoyer, S., Hollmann, C., Breen, T. W., Janzen, J. A., Crochetiere, C. T., McMorland, G. H., Douglas, M. J., Kamani, A. A., Arora, Sunil K., Tunstall, M., Ross, J., Mayer, D. C., Weeks, S. K., Norman, P., Daley, D., Sandier, A., Guay, J., Gaudreault, P., Boulanger, A., Tang, A., Lortie, L., Dupuis, C., Backman, S. B., Bachoo, M., Polosa, C., Moudgil, G. C., Frame, B., Blajchman, H. A., Singal, D. P., Albert, J. -F., Ratcliff, A., Law, J. -C., Varvel, J., Hung, O., Shafer, S. L., Fiset, P., Balendran, P., Burgess, P. M., Doak, G. J., Duke, P. C., Sloan, P. A., Mather, L. E., McLean, C. F., Rutten, A. J., Nation, R. L., Milne, R. W., Runciman, W. B., Somoggi, A. A., Haack, Carol, Shafer, Steven L., Irish, Craig L., Weisleider, Louis, Mazer, C. David, Bell, Robert S., Dejonckheere, M., Levarlet, M., d’Hollander, A., Taylor, R. H., Sikich, N., Campbell, F., McLeod, M. E., Swartz, J., Spahr-Schopfer, I., McIntyre, B. G., Roy, W. L., Laycock, G. J. A., Mitchell, I. M., Morton, N. S., Logan, R. W., Campbell, F., Yentis, S. M., Fear, D., Halpem, L., Sloan, M., Badgwell, J. Michael, Kleinman, Sam, Yentis, S. M., Britton, J. T., Hannallah, R. S., Schafer, P. O., Norden, J. M., Splinter, W. M., Menard, E. A., Derdamezi, J. B., Ghurch, J. G., Britt, B. A., Radde, I. C., Sosis, M., Kao, Y. James, Norton, Richard G., Volgyesi, G. A., Spahr-Schopfer, I., Sosis, M., Plum, Mark, Sosis, M., Smith, C. E., Pinchak, A. C., Hancock, D. E., Owen, P., McMeekin, J., Hanson, S., Cujec, B., Feindel, C. M., Cruz, J., Boylen, P., Ong, D., Murphy, J. T., Dupuis, J. Y., Nathan, H. J., Cattran, C., Wynands, J. E., Murphy, J. T., Kinley, C. E., Sulliyan, J. A., Landymore, R. W., Robblee, James A., Labow, Rosalind, Buckley, D. N., Sharpe, M. D., Guiraudon, G., Klein, G., Yee, R., Black, J., Devitt, J. H., McLellan, B. A., Dubbin, J., Ehrlich, L. E., Ralley, F. E., Robbins, G. R., Symcs, J. F., Bourke, M., Nathan, H., Wynands, J. E., Maritime Heart Centre, and Maritime Heart Centre

Published
1991
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35. Abstracts

Author

Lacombe, P., Blaise, G., Plante, F., Hollmann, C., Penning, D. H., Patrick, J., Brien, J., Orser, B., Bertlik, M., Fedorko, L., O’Brodovich, H., Santos, A. C., Pedersen, H., Morishima, H. O., Finster, M., Arthur, G. R., Covino, B. G., Perreault, C., Albert, J. F., Couture, P., Meloche, R., Elliott, R. D., Stockwell, M., Roy, W. L., Lerman, J., McIntyre, B. G., Yee, D. A., Hunziker, P., Koch, J. P., Devitt, J. H., Daley, M. D., Colmenares, M. E., Norman, P. H., Sandler, A. N., Oyston, J. P., Knill, R. L., Skinner, M. I., Novick, T., Vandenberghe, H. M., Moote, C. A., Donati, François, Meistelman, Claude, Plaud, Benoit, Guay, J., Reinberg, C., Rivard, G. E., Poitras, B., Mathews, S., David, M., Dawe, G., Hall, R. I., Stringer D. G., Sandler A. N., Panos L., Lawson S., Einarson T. R., Badner N., Fiset, P., Balendran, P., Donati, F., Bevan, D. R., Hung, O. R., Varvel, J., Shafer, S., Stanski, D. R., Crawford, M. W., Carmichael, F. J., Orrego, H., Saldivia, V., Lerman, J., Ralley, F. E., Murkin, J. M., Hudson, R. J., Dunn, G., Perreault, L., Hardy, J. F., Donelly, M., Scott, W. A. C., Daly, D. S., McAllister, J. D., Sharpe, M. D., Manninen, P. H., Cuillerier, D. J., Gelb, A. W., Nantau, W. E., Leon, J. E., Bissonnette, B., Davies, K. R., Gelb, A., Boughner, D. R., Bisnaire, D., Shokeir, O., Code, W. E., Hertz, L., White, H. S., Hong, M., Milne, B., Loomis, C., Jhamandas, K., Lam A. M., Slee T., Hirst R., Cooper J. O., Pavlin E. G., Sundling N., Mutch, W. A. C., Ringaert, K., Ewart, F., White, I., Donen, N., Winn H. R., Grady M. S., Murkin, J. M., Farrar, J. K., McNeill, B., Lok, P., Nalder, B., Jivraj, K., Golar, S., Ford, G., Rosenal, T., Puchalski, S. A., Morison, D. H., Collins, R. M., Gascoyne, R. D., Taylor, R. H., Lerman, J., Gauthier R. A., Chung F., Dyck B., Romanelli J. R., Chapman K. R., Lavoie, J., Marcin, R., Tétrault, J. P., Murphy, I. L., Splinter, W. M., Segstro, R., Morley-Forster, P. K., Lu, G., Lessard, M. R., Trépanier, C. A., Brochu, J. G., Coté, J. J., Denault, P. H., Baribault, J. P., Gordon, A. R., O’Connor, J. P., Ramsay, J. G., Malcolm, I., Chang, P. C., Reynolds, F. B., Lang, S. A., Ha, H. C., Grant, R. P., Dolman, J. F., Harper, J. A., White, S. A., Parsons, D. G., Evans, K. G., Merrick, P., Trivedi, Narendra S., Halpern, Meyer, Robalino, Joffre, Shevde, Ketan, Wang, B. C., Hiller, J. M., Simon, E. J., Hillman, D. E., Li, D., Rosenberg, C., Turndorf, H., Penning, J. P., Nagasaka, Hiroshi, Yaksh, T. L., Forrest, J. B., Lam, L., Woo, J., Rifkind, A., Broadman, L., Hannallah, R., DeLeon, E., Reff, R., Tanaka, K., Watanabe, R., Harada, T., Dan, K., Aull, L., Woodward, E. R., Rout, R. W., Paulus, D. A., Reimer, E. J., Badner, N. H., Komar, W. E., Fancourt-Smith, P. F., McEwen, J. A., Warriner, C. B., Moore, R., Rosenblatt, M., Merai, B., Robalino, J., Shevde, K., Bryk, D., McCormack, J. P., Levine, M., Forster-Coull, J., Stasiuk, R. B. P., Jenkins, L. C., Chen, Kunzhou, Pan, Jianhui, Ji, Xuan, Vaidya, D., Tetzlaff, J. E., Baird, B. A., Yoon, H. J., Wood, G., Simpson, T., Pillow, K. J., Lampe, K. M., Hansen, L. M., Foldvari, M., Courtice, I. D., MacLeod, B. A., Panos L., Lawson S., Koren G., Volgyesi, G. A., Kolesar, R., Wolf, G. L., Sidebotham, G. W., Sprung, J., Gamulin, S., Bosnjak, Z. J., Kampine, J. P., Doyle, D. John, Harioka, T., Sone, T., Kakuyama, M., Miyake, C., Toda, H., Sosis, M., Oka, T., Ohwada, T., Kochi, A., Mizuguchi, T., Kay, J. C., Beauchamp, R. J., Mazer, C. D., Inada, E., Iwahashi, K., Aoki, K., Takanashi, S., Kohama, M., Aoki, Y., Poole, L., Murphy, J. T., Moffitt, E. A., Jolly, D., Finegan, B. A., Beach, J., Gulamhusein, S., Vincent, D., Sullivan, P. J., Martineau, R. J., Miller, D. R., Lewis, P., Staniland, J., Cuppage, A., Davies, J. M., Rose, D. K., Cohen, M. M., Rogers, K. H., Gellner, D., Duncan, P. G., Johnson, J. A., Cohen, J. A., Boisvenu, G., Haley, L. D., Parlow, J. L., Cervenko, F. W., Dillon, F., Harwood, T., Kolesar, R., Volgyesi, G., Reid, C. W., Samson, B., Beattie, W. S., Goldsmith, C. H., Sims, C. H., Welborn, L. G., Hannallah, R. S., Higgins, T., Fink, R., Luban, N., Murray, D. J., Forbes, R. B., Mehta, M., Dull, D. L., Horimoto, Y., Naide, M., Schaefer, J. D., Bonn, G. E., Rhine, E. J., MacNeill, H. B., Ménard, E. A., Roberts, D. J., Komocar, L., Kay, J., Chevrier, R., Marsh, B. J., Morton, N. S., White, M., Kenny, G. N. C., Yamashita, M., Tsuji, M., Malviya, S., Swartz, J., Brown, K. A., Holtby, H., Ein, S., Shandling, B., Smith, M. F., Beauprie, I. G., Clark, A. G., Keith, I. C., Spence, D., Ogata, Hiromaru, Midorikawa, Yukio, Doyle, D. John, Teves, Leonides Y., Jhawar, Balraj S., Kawamura, Takae, Wakusawa, Reiji, Hackmann, T., Steward, D. J., Maltby, J. R., Loken, R. G., Watson, N. C., Kubota, Tatsuya, Katano, Toshio, Yoshizawa, Mutsumi, Ohtake, Kazuei, Onodera, Fumio, Yoshitake, S., Matsumoto, S., Miyakawa, H., Takahashi, T., Kitano, T., Iwasaka, H., Hayano, Y., Noguchi, T., Taniguchi, K., Honda, N., Koyama, K., Takahashi, J., Ochiai, R., Takeda, J., Nagano, M., Rolbin, S., Hew, E., Morningstar, B., Mahesh, K., Yukioka, H., Fujimori, M., Siriwardhana, S. A., Kawas, A., Yates, S., Gulden, H., Upton, J. M., Giesecke, A. H., Suzuki, H., Maru, E., Fujita, M., Pagliarello, G., Simons, J., Irita, K., Shafiq, J., Tareen, F. M., Yoshitake, J., Suderman, V. S., Crosby, E. T., Mallon, J. S., Dunn, G. L., Hatano, Y., Nakamura, K., Nishiwada, M., Mori, Kenjiro, Pounder, D. R., Blackstock, D., Steward, D., Kumagai, M., Takinami, M., Tanaka, S., Shudo, Y., Amaki, Y., Kobayashi, K., Jansen, G. F. A., Kedaria, M., Zuurmond, W. W. A., Hartley, E., St. Louis, P., Rybczynski, J., McLeod, M. E., Byrick, R. J., Mullen, J. Brendan, Wong, P. Y., Wigglesworth, D., Kay, J. Colin, Swartz, J. S., Gold, M., Braude, B. M., Dolovich, J., Gilmour, R. F., Sutherland, L. R., O’Connor, G., Riding, K., Laird, B., Riou, S., Gross, Michael, Tang, T., Halpern, S. H., Roy, A. G., Côté, J. J., Lindblad, T., Buckley, D. N., Oxom, D. C., Whatley, G. S., Knox, J. W. D., Hooper, J. G. V., Dolman, J., Faneourt-Smith, P. F., Torsher, L., Gao, Yuhui, Chai, Xiaoqing, O’Leary, G., Qureshi, S. A., Laganiere, S., McGilveray, I., Boylan, J. F., Hassard, P., Teasdale, S. J., Kapnoudhis, P., Vaghadia, H., Turnbull, K. M., Villeneuve, E., Buluran, J., Amyot, Y., Tanguay, M., Pharm, B., Beique, G., Sidi, A., Rush, W., Clanachan, A. S., Duke, P. C., Leroux, M., Corne, R., Patton, N., Greenberg, D., Parrott, J., Desjardins, P., Merchant R. N., Brown W. F., Watson B. V., Burrows, F. A., Tatman, D. J., Starr, J. M., Symreng, T., Kall, R. I., Schweiger, I. M., Finlayson, D. C., Weisel, R. D., Ivanov, J., Mickle, D. A., Fuller, John, Lu, Grant, Dain, Steven, McLean, R. F., Noble, W. H., Kolton, M., Newfield, A. M., Lipton, J. M., Ide, T., Isono, S., Kochi, T., Izumi, Y., Erian, R. F., Stafford-Smith, M., Yamada, M., Johnson, D., Hurst, T., Mayers, I., Tsuda, Takako, Takeuchi, Mikio, Ishikawa, Kiyoshi, Ando, Hiroshi, Hanamura, Yasunori, Takasu, Hiroe, Hiyama, A., and Cardiac Anaesthesia Research Group

Published
1990
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42. Using Facebook for Health Promotion in 'Hard-to-Reach' Truck Drivers: Qualitative Analysis

Author

Herbert C. Biggs, MaryLou Fleming, Marguerite C. Sendall, Phil Crane, Bevan D. Rowland, and Laura McCosker

Subjects
Adult, Male, 020205 medical informatics, media_common.quotation_subject, social media, Psychological intervention, Participatory action research, Health Informatics, Qualitative property, 02 engineering and technology, Health Promotion, 03 medical and health sciences, 0302 clinical medicine, Workplace health promotion, Promotion (rank), Surveys and Questionnaires, 0202 electrical engineering, electronic engineering, information engineering, Humans, Social media, 030212 general & internal medicine, Workplace, Qualitative Research, media_common, Original Paper, mobile phone, business.industry, communication, Public relations, Middle Aged, Focus group, Motor Vehicles, Health promotion, health promotion interventions, workplace managers, workplace health promotion, Female, truck drivers, business, Psychology, transport industry, human activities
Abstract

Background: Workers in the road transport industry, and particularly truck drivers, are at increased risk of chronic diseases. Innovative health promotion strategies involving technologies such as social media may engage this “hard-to-reach” group. There is a paucity of evidence for the efficacy of social media technologies for health promotion in the Australian transport industry. Objective: This study analyzed qualitative data from interviews and focus group discussions to evaluate a social media health promotion intervention, the Truckin’ Healthy Facebook webpage, in selected Australian transport industry workplaces. Methods: We engaged 5 workplace managers and 30 truck drivers from 6 transport industry organizations in developing workplace health promotion strategies, including a social media intervention, within a Participatory Action Research approach. Mixed methods, including a pre- and postintervention manager survey, truck driver survey, key informant semistructured interviews, truck driver focus groups, and focused observation, were used to evaluate the social media intervention. We asked questions about workplace managers’ and truck drivers’ opinions, engagement, and satisfaction with the intervention. This paper focuses on qualitative data. Results: Of the workplace managers who reported implementing the social media intervention at their workplace, all (3/3, 100%) reported satisfaction with the intervention and expressed a keen interest in learning more about social media and how it may be used for workplace health promotion and other purposes. Truck drivers were poorly engaged with the intervention because (1) many believed they were the “wrong age” and lacked the necessary skills; (2) the cost of smartphone technology was prohibitive; (3) they confined their use of social media to nonwork-related purposes; and (4) many workplaces had “no Facebook” policies. Conclusions: The use of social media as a health promotion intervention in transport industry workplaces has potential. Workplace interventions using social media can benefit from a Participatory Action Research approach. Involving managers and workers in the design of social media health promotion interventions and developing strategies to support and deliver the interventions helps to facilitate their success. The workers’ profile, including their age and familiarity with social media, and work, workplace, and family context is important to consider in this process. Much more research needs to be undertaken to better understand the effective use of social media to engage “hard-to-reach” groups.

Published
2018

50. How To Use Crystallographic Information in Teaching First-Year Chemistry.

Author

Bevan, D. J. M.

Abstract

Emphasizes the role that crystallography plays and has played in building up the body of chemical fact. Shows how the teaching of much of this material is illuminated by reference to crystal structures and crystallochemical relationships in all areas of chemistry. Discusses close packing, silicate structures, and salt hydrates. (CW)

Published
1988

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