XVI 
PAGE. 
Wu-t’ai-shan village.—Continued. 
unconformable contact of Sinian and Si-t’ai 
TOCKS WEA. wivinve cinis.cy enlese penal b ese wsaelle 136 
VIEWS: MEAT ya 5.0: a.ole,bie ease ese sa fale eleistyis Glo uaigisiel 210 
Wu-t’ai-shan district, Sinian rocks in............. 137 
Yang-fang, Quaternary deposits between Chai-k’ou 
Ts BS SEE PCR ERAS cou iea eke prmae 1e 199 
Yang-sung, Quaternary deposits between Chang- 
p'ing-chéu ands. 6.5 centage ess 199 
Vang-tzi-kiang, altitude of............0 eee eeees 349 
Canyon Of, VIEW Ole. va cnw evs dete ames alee i 268 
course of, development of.............+.. 334-335, 338 
ZOLTES Ola erapcisisce ire ms sails we lepape ental etteveyetaiersy =) alae 334-336 
gorges of, geologic map Of............+-+5+55 264 
gorges of, geologic formations in..........-.- 264 
Yang-tzi province, boundaries of...........+++++ 265 
epochs of sedimentation and foldingin......... 297 
folding and deformation in, date of........ 165, 295-297 
formations Is ccs © ve Scere a widale wipe e etEse nT ds 254, 268 
Paleozoic sediments in.........0 02sec eeneeees 267-276 
Pre-Cambriatt £Ocks Wisiec ales «ees > siete 265-266, 300 
rotte Followed 423. 5 joisc aie ace vicos.0 stale wuste 26 el 6 gtere' x 265 
Stfatigraphy, Ofer. mre = civeetaieuele sicistecrelsy sets tems 264-279 
StriOhre Gloss cates so weihy este eee een Tate 285-297 
unconformity at base of Paleozoic in......... 266 
Vang-tzi stage of topographic development, age of... 339 
fFAtUTOS Oh. aos soy poles Oy Sip PUPS Stone ae 337-338 
Vang-wu-ho, coal mines on........-..-0 202 eeeee 217 
YVau-t’6u, unconformity near... ..... 0+ eee eee eee 136 
Yau-t’6u district, Huang-t’u formationin.......... 191 
Ki-chéu limestone im.....60525- cs cawe erence 143-144 
physiography Of... .....-.-sssssseesesences 215 
pre-Shan-sian unconformity exposed 5 Agee OIC 140 
rocks in syncline in, view showing............ 148 
SEPUCELITS MT sini oss tode ues vinta ers #reunis Mietatetelensiers) suerte 161 
unconformity between Sinian and underlying 
SOCKS Tis sieve ere mielgielaloie wie te eiera sie ese 151 

INDEX TO PART ONE. 
PAGE. 
Yau-t’déu district.—Continued. 
Wit-t'al schists int. carae pcle ncheletne ocelsteerentel te 115-116 
Yen-ch’ang, fossils from Wu-shan formation near. . . 276 
Yen-chuang, bituminous limestone near........... 51 
Cambrian’ strata at, section-of...5 J... ..0<.0:4 28-29 
Carboniferous fossils found near.............. 51 
Carboniferous rocks tiear cores. «idicla rele sera 49 
Coal SeAMIS DEAL. 7575 i avaieale ar tepeetonionsate 51 
Po-shati formation (eat. cry cataract etoile seis whe 51-52 
SECtIONS NEAL jojo 'e15. Fv. o.dh,9 wiste a eves eevee. ete 38, 39,50, 51 
Tsi-nan formation near, igneous instrusions in, , 47 
unconformity at base of Sinian system between 
Sin-t’ai and, exposures of............ 21 
Volcanic rocks: Heat) eeceie Hole ne & sels rinse esas 52 
Yen-chuang district, Sin-t’ai series in............. 56 
Yen-chuang coal field, voleanic rocks of......... 52 
Yen-t’6u, canyon of the O-shui-ho near, view of.... . 140 
region near, physiography of...........-.... 210 
SECTION EAT Tse) s Vineet ale hs Ghee Bite al aie ee 141 
unconformable contact of Sinian and Si-t’ai 
TOCKS BET Pow cae eRe Cae ee eee 136 
Ven-t'si lake basin, features Of ......0..¢5.5....0. 177 
mountains east of, faulting in................ 177 
Yon-yi-ssi, bituminous limestone in Shan-si series 
BEAT 5c Soe watseestas oe fin ee RIN eee 170 
Huang-t’u formation N€af.).sccsiseccacee ees 195 
stream near, character of pebbles carried by... . 168 
Y orkia ortentalss Walcott... Ja-c oe cee naen bes 145 
Yiian-p’ing, region near, physiography of......... 217 
Vii-fang-ping, conglomerate mear...............05 303 
region near, geology OL .. 2...desc clcetieeene en 307 
Yung-ning sandstone, character and age of........87, 89-90 
correlations Off aos ices cc dseian, face ta eittewlatette 95 
Yung-ning-chéu, Sinian limestones at, structure of. . 174 
Zaphrentss (2)'SP <a ewsidaysisteleretele/aver tM etatenetehaieiaisieie levers 52 
