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is not yet present. The // classes are added to so styling immediately reflects the current // toolbar state. The classes are removed after the toolbar completes // initialization. const classesToAdd = ['toolbar-loading', 'toolbar-anti-flicker']; if (toolbarState) { const { orientation, hasActiveTab, isFixed, activeTray, activeTabId, isOriented, userButtonMinWidth } = toolbarState; classesToAdd.push( orientation ? `toolbar-` + orientation + `` : 'toolbar-horizontal', ); if (hasActiveTab !== false) { classesToAdd.push('toolbar-tray-open'); } if (isFixed) { classesToAdd.push('toolbar-fixed'); } if (isOriented) { classesToAdd.push('toolbar-oriented'); } if (activeTray) { // These styles are added so the active tab/tray styles are present // immediately instead of "flickering" on as the toolbar initializes. In // instances where a tray is lazy loaded, these styles facilitate the // lazy loaded tray appearing gracefully and without reflow. const styleContent = ` .toolbar-loading #` + activeTabId + ` { background-image: linear-gradient(rgba(255, 255, 255, 0.25) 20%, transparent 200%); } .toolbar-loading #` + activeTabId + `-tray { display: block; box-shadow: -1px 0 5px 2px rgb(0 0 0 / 33%); border-right: 1px solid #aaa; background-color: #f5f5f5; z-index: 0; } .toolbar-loading.toolbar-vertical.toolbar-tray-open #` + activeTabId + `-tray { width: 15rem; height: 100vh; } .toolbar-loading.toolbar-horizontal :not(#` + activeTray + `) > .toolbar-lining {opacity: 0}`; const style = document.createElement('style'); style.textContent = styleContent; style.setAttribute('data-toolbar-anti-flicker-loading', true); document.querySelector('head').appendChild(style); if (userButtonMinWidth) { const userButtonStyle = document.createElement('style'); userButtonStyle.textContent = `#toolbar-item-user {min-width: ` + userButtonMinWidth +`px;}` document.querySelector('head').appendChild(userButtonStyle); } } } document.querySelector('html').classList.add(...classesToAdd); })(); Kent Ratajeski | °ÄÃÅÁùºÏ²Ê¿ª½±¼Ç¼×ÊÁÏ

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Dr. Kent Ratajeski

Lecturer, Bruce Dice Museum Director
Geology, Geography, and Environment

Biography

  • Hometown(s): Pittsburgh, PA and Lakeland, FL
  • Interests and activities: my family, church and Christian community, music (piano and choir), outdoors (hiking and backpacking), geocollecting (rocks, minerals, fossils, and meteorites)

Education

  • B.S., Geology, New Mexico Institute of Mining and Technology
  • M.S., Geology, University of Maryland, College Park
  • Ph.D., Geology, University of North Carolina, Chapel Hill

 

 

Professional Experience

  • Lecturer, °ÄÃÅÁùºÏ²Ê¿ª½±¼Ç¼×ÊÁÏ, Grand Rapids, MI (2023-present)
  • Senior Lecturer, University of Kentucky, Lexington, KY (2013-2023)
  • Lecturer, University of Kentucky, Lexington, KY (2007-2013)
  • Visiting Instructor, Wheaton College Science Station, Black Hills, SD (2002-2003, 2010-2016, 2018-2019) – summer field course instructor
  • Assistant Professor, University of West Georgia, Carrollton, GA (2005-2007)
  • Assistant Research Professor, Montana State University, Bozeman, MT (2004-2005) – post-doc
  • Visiting Assistant Professor, The College of William and Mary, Williamsburg, VA (2003-2004) – temporary sabbatical replacement
  • Visiting Assistant Professor, Bates College, Lewiston, ME (2002-2003) – temporary sabbatical replacement
  • Visiting Assistant Professor, Northern Arizona University, Flagstaff, AZ (2001-2002) – temporary sabbatical replacement
  • Research Associate, University of Wisconsin, Madison, WI (2000-2001) – post-doc
  • Visiting Assistant Professor, Calvin College, Grand Rapids, MI (1999-2000) – temporary sabbatical replacement

Academic Interests

  • mineralogy
  • igneous petrology
  • online curriculum development
  • field-based geoscience education
  • science communication and journalism
  • science and faith

Research

  • Igneous petrology and petrogenesis of the Sierra Nevada batholith (field geology, geochronology, geochemistry, and experimental petrology)
  • Geothermobarometry (emplacement depths) of granite plutons in the Sierra Nevada batholith
  • Online resources for geoscience education
  • Tactile graphics for visually-impaired geoscience students
Kent Ratajeski

Contact Me

(616) 526-6769
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