Field Notebook: SD, NE 1959
Page 103
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Transcription
B. Farther west along bluff the sequence is down-dropped. Concretion layer, scattered ls concs with thick, tough, gray jackets - bzrven. * Layer of preceding section) (1) 14.0 Mixed silty gray clay and fq tovtg yellowish wethz ss, in irregular pods + stringeas. Wethz buff, sandy slope with scattered hard ls concs, some fossiliferous, between 3 and 7' from bzse. Some with B. nic, znd vztud fzune. (JM-1) (KMW-1) former 3.0 from bzsc, former 5.5 to 6.0 from bzse. At top - under qrass roots some Gervelliz concs appear in self jackets. - Big G- PB in float znd one in zbout 12-13 ft from bzse, Lower 5 to 8' t shale facdom, morc sandy above this some of hard ls concs zre bzrven - others full, Protocerdla large, Iniccrmus, Sphacrida, (2) . 6.0+ Grassy slope - to highest - G. conc. 50