Papers mostly from Geological Society of America Annual Meetings and field trips held in Houston, Texas, October 4-9, 2008.The Case for Polygenesis and Bioturbation Jennifer L. Horwath Burnham, Donald Lee Johnson ... the increasing awareness of the importance of life on geomorphic and soil processes (e. g., Butler, 1995; Johnson et al., ... (2002) dug a trench through a Mima mound on the Laguna Formation (latitude 37.55 Ad N; longitude 120.44Ad W; elevation = 220 m) using a backhoe. ... Preliminary descriptions of the soil profile horizons were made based on visual observations and manual texturinganbsp;...
|Author||:||Jennifer L. Horwath Burnham, Donald Lee Johnson|
|Publisher||:||Geological Society of America - 2012-01-01|