BULL. GEOL. SOC. AM. 









VOL. 24, 1912, PL. 8 



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Figure 1. — View of Dike on Leonard Farm cutting the Shenandoah Group of 

 Limestones, Three Miles North of Waynesboro 



Showing boulder form of outcrop ; taken in direction of strike 



'igurb 2. Vikw or Dike Twelve Feet Wide in Railroad Cut Two ind a Half Miles 



South of Basic 



Showing weathering for the entire depth of exposure, 10 (eel 



EXPOSURES OF DIABASE DIKES NEAR WAYNESBORO, AUGUSTA COUNTY, VIRGINIA 



