856 



4. J>iglit gray samlstone 10 



r>. Rhyolyte 30 



0. Gray sandstone and conglomerate 100 



7. Fine grained, gray to broAAii sandstone, composed of ground up 



Archean and Palaeozoic rocks, granite, rhyolites, diabases, 



etc 40 



Total— apparently all Tertiary .• 210 



Section South of White river, three miles west of Fort Apache. 



Feet 



1. Basalt 200 



2. Unlithified volcanic ashes 10 



3. Loose strata of slightly lithifled clays and sands 40 



4. Carboniferous, red gypsiferous shales with .sand stone and lime- 



stone GOO to 1000 



1250 



Generalized Section on the Government trail from Ellison's to Canyon creek. 



Feet 



1. Adobe 8 



2. Loose cobble stones and pebbles 1 



3. Yellow clay interstra titled with loo;-e sand 4 



4. Cobble stone stratum 1 



5. Light yellow to pink, lithifled, stratifled rock. comix)sed of fine 



grains of Archean and Tonto rocks 10 



6. Dark brown, partly lithifled sandstone 1 



7. Yellow to brown and pink, cross-beded .sandstone 10 



8. Conglomex'ate series 20 



9. Porpliyry, gneiss and granite rocks (intrusive) 100 



10. Tonto sandstone and shales (Cambrian) 5(X) 



11. Archean (?) hornblende biotite granite, olivine diabase and 



hornblende diorite 500 



Total 1155 



Section on Carrixo Creek (after Gilbert).* 



Feet 

 1. Coarse gravel composed of vitreous sandstone, quartzite. and 



gneiss boulders 50 



2-7. Clastic rocks 1370 



Total 1420 



♦Gilbert, ]oc. cit ; Reagan, ihid., p. 274. 



