. The Pan-American geologist. .! g s ~ Shumard added later« g £ i he Ripley group and ^ i |* Dakota division. He ?7. C ?7 * referred the Jura, Trias, > ~k — — and Dyas, to the Dako- 23 \ -~.~ ta division. X) ,_ . , . in - 2-^ — •— — ~ S m ^ ~r-~~ s ~ i= Marcou recognized, below the X g ^-C r E : .^r— Neocomian, the Jura, the Trias g v : t ^t ^ rj g r -- all,j \\u. Dyas of S o^SS^ * e^ Texas, the Indian Territory, and 5 — ^S^ —^-~>~c New Mexico. s M ~i —? T> i l- ,C C j; a -r cc Roenier did not recognize the Middle X ~5 z z ?- Cretaceous, or Oenomanian and Albian, H {_
. The Pan-American geologist. .! g s ~ Shumard added later« g £ i he Ripley group and ^ i |* Dakota division. He ?7. C ?7 * referred the Jura, Trias, > ~k — — and Dyas, to the Dako- 23 \ -~.~ ta division. X) ,_ . , . in - 2-^ — •— — ~ S m ^ ~r-~~ s ~ i= Marcou recognized, below the X g ^-C r E : .^r— Neocomian, the Jura, the Trias g v : t ^t ^ rj g r -- all,j \\u. Dyas of S o^SS^ * e^ Texas, the Indian Territory, and 5 — ^S^ —^-~>~c New Mexico. s M ~i —? T> i l- ,C C j; a -r cc Roenier did not recognize the Middle X ~5 z z ?- Cretaceous, or Oenomanian and Albian, H {_ L £ nor the Lower Cretaceous, or Aptian and s 5 % p 2 2 % Neocomian.—G. G. Shumard, 1852-53, re- c *£~ ^Sc peated the name Senonian only. p£ toS 5 15*s,9 i. £J w The American Geologist. Vol. XIV, Plate IV. Map of Georgia. HH Tertiary. ^^ . Unclassified 2. Stone Mountain. 3. Kenesaw Mountain. O So 4q Co So looScale or A5§¥?^M~35Z AtlanU * Talio^oic Crystalline Schists Cretaceous unci Tertiarythe line A B. Fig 2 Section across Georgia *J°g t/le ilne * mi7es; vertical scoJe,—1000feet lOOOfeet irjieua Fief 3 Section through Kenesaw = 1 mile. Fief. 4 Section through Stone = 1 mile. M AP OF GEORGIA, WITH SECTIONS. The lie;//on About Atlanta, Georgia.—Purington, 105 Texas Cretaceous is clear enough without explanation. Itdiffers mainly from the table published by Mr. Hill in group-ing the Caprina limestone of his Fredericksburg division withthe Washita division, and in the addition of the Jurassicformation in Texas. I shall publish, by and by, a histor}7 ofthe Texas Jura. GEOLOGICAL AND TOPOGRAPHICAL FEATURES OF THE REGION ABOUT ATLANTA, GEORGIA. By Chester Wells Purington, Boston, Mass. (Plate During the past winter opportunity came to me, while inthe vicinity of Atlanta, Georgia, to make a few observationson geological features of the
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgeology, bookyear1922
