Lithology sense of displacement across the zone. In igneous rocks, small-scale structures are mostly observed in lavas such as pahoehoe versus ʻAʻā basaltic flows, and pillows showing eruption within a body of water or beneath ice. Unconsolidated surficial materials may also be given a lithology. This is defined by grain size and composition, and is often attached to an interpretation of how the unit formed. Surficial lithologies can be given to lacustrine, coastal, fluvial, aeolian, glacial, and recent volcanic deposits, among others. Examples of surficial lithology classifications used by the US Geological Survey are, "Glacial Till, Loamy", "Saline Lake Sediment", and
Flint Adolescent Study and experiences of parents and how they influence their parenting attitudes and behaviors over time. The study is also examining how these factors may influence substance use in their children (G2). Flint Adolescent Study The Flint Adolescent Study (FAS) is a longitudinal interview study of risk and promotive factors associated with alcohol, tobacco and other drug use across a lifetime. The study is led by Marc A. Zimmerman, Ph.D., Director of the Prevention Research Center and the Michigan Youth Violence Prevention Center at the University of Michigan School of Public Health. Hsing-Fang Hsieh, PhD, Research Investigator at the UM School