Collection: Books and Periodicals

About This Item:

Title: The Tertiary Gravels of the Sierra Nevada of California by Waldemar Lindgren (1911) Collection Type: Books and Periodicals Source(s): Google Books # of Pages: 301 Download PDF: User Login Required Download OCR Text: User Login Required

Date Scanned: 2024-07-14 06:26:22 Item Sourced From: PDF First Created: 2025-03-17 05:53:20 Last Updated: 2025-03-17 05:53:20

Original Held At: Searls Historical Library Location: 161 Nevada City Hwy, Nevada City, CA 95959

Page: of 301  

4 CONTENTS. Part I. General features of the province—Continued. Page. Chapter 3. Fossils of the Tertiary auriferous gravels—Continued. Flora of the auriferous gravels of California, by F. H. Knowlton.......2..-.-eeeeeeeeeeee eens 57 DON coke 06 Cel (0) 57 A revision of Lesquereux’s ‘‘ Fossil plants of the auriferous gravel deposits of the Sierra Nevada”.. 58 The flora collected near Susanville........ 2.. eee ce cee cee ence eee ee ee eeees 60 Summary of present knowledge of the flora......-.22.22.22 2c eee eee ce ee eee ee eee 61 Chapter 4. Gold of the Tertiary gravels ........2. 2.2.22 ee cee e cece cece eee e eee ee eeees 65 Geographic distribution.......2. 22.022 cece eee eee eee ee ee ence cece rece seen eee eeneee 65 Distribution of the gold in the gravels........0. 2.2.2 cece eee eee rete eee eeeee 66 Size of the gold...... 002. eee ee enn ene e ec ence eee eee eeeeeee 66 Relative value of quartz gold and placer gold...... 2.2.2.. e eee cece cece e ence eens 68 Deposition of placer gold from solutions. ......2.-. 22-2222. e eee eee eee eee eee nes 69 Tenor of the pravelss «¢ ssa: sacsnwes oc us saemwitanie 2 ss ses SBEI ae. s & bea cied foenél can # € % GhlBgeseuepmanun: # a 4 2 © ecmaecnsnte 70 The bedrock...... 22.0.2 e cece ee ee ee eee nee een e cence nent ee eeee 72 Minerals accompanying gold in the Tertiary gravels.........0 0.. e ccc ee eee ee eee eee eee 73 Detrital minerals: « ¢ 2 esis oe vse cere oo og emanate «6 a waremrereeens oo as § IRR oe ee 8 SRE 73 Authigenetic minerals s:ccs sovcenecwesmeseeaws < +s owxenwaels 5 oo 5 HEISE EE ETS s Be 5s SEG SEINE 4s 8 ba eee 75 Methods'of mining sen: ;: ss cnememenwe x: ss eames + x smiemiaieae £2 5 BRULEE NS Ba 5 EE 5 RSET lee 0 ee merece 76 General outline........ 2. eee eee ee ee eee ence eee eeeeeee 76 Hydraulic mining...... 20.0.. 0 cece eee ence eee n nee e nee n ee eees 76 Legislation concerning mining débris........2..22.0 22060 e eee eee eee eee eee ee 77 Drift mining es sicisws oss 2 seawewawiae os ss emawaieee os eee wenreaws os as smmeusmen 2505 peweweETee ea ea at pes 80 Production cco. scceeu.< 2: sss sawwamewmis sos s ewammmeuis ss s ewe e were ae os see we.ce 9 ¢ occ err eee 81 Part II. Detailed descriptions by quadrangles. .. 2.2.2.2.. eee eee eee ce cece cent ceereecees _ 84 Chapter 5. The Chico quadrangle........2202-0 e eee eee eee ene eee tenet eeeeee 84 Geneial GEOlOPY seccccwwaws «os sexeessrersven #2 5 weniereradens & 0 5 > eemarsietenta 6 5 4 & aeeteetMMNNY 2 6 ou © GraMeMaMNNEEE HE EES Ew 84 Neocene topography and drainage. ...... 2.2.2.. 2 ee eee ce eee cece e eee ee beeses 84 Valueof the gravelewecsees « ssaweewns cs sss sean eew ¢ os ewe R eS Se £2 5 SE EGS ¥ 82 26 ERE RE RG Ra dodo oe 86 Table Mountain and Oroville.........Mesmices, © v= + S:Bandblsbdididie Sx 3% Suedbscomsncesean He » o » wnawanseansermuennin: « +m 40m 86 Oroville dredging ground.......2 26006 ee eee eee eee teen eee eeee 89 Magalia and Big Butte Creek.......20 0.00 e cece cee cee cc e e ee cee eee eee t eet n eet eeeeees 90 General description of the gravels.......... pwaieleurne «os 2 FeRE RENEE 6 es ss SERRE MNES ee ee 8s 90 The Magalia channel . «cscs ssaess ss eeccewew sos see eewume os oa ee eee es yess tase SEB E SES Coss nee 92 Perschbaker mine . 22.22.22.. eee eee cee e eee teen ence eeeee 92 Eaat slope of Big Butte Creek. .....2. 20.0 cece eee ee eee ce ee eee een eeeeenee 93 West side of Big Butte Creek... 2.2.22.. oe cee ee ce ee ce cence eens eeeeeeeneees 93 Chapter 6. The Bidwell Bar quadrangle......-.-. 22-2222 e cece cee ee eee ences 94 General geology.......2--.2565ee ee ee ee eee 94 The Neocene surface....... 20.22. ee eee eee eee (URINE 2 $4 2 SEWGWIEIG GS Feo 38 5 SEES S 2.2 bee ee 94 Dislocations....... 022 ee ee ee eee eee enn e eee e eee e eee ees 94 Production.....2.. 0.20 cece ee eee eee eee eee ee een cece nent ence eee e eee eeees 95 Kimshew Table Mountain......... 00.22. e eee eee cece eee ete ee tence ee eeeneees 95 tele Neocene gravelsiof Meadow Valley.. «ss vsewswws «4s eysmouw ys yy saaweanwus oe ee os pe eESENIENS gees es oe 98 e.g i: ~ Quaternary gravels of Meadow Valley.....-.+2.se+-222e:eceee cece cece e eee tees eee ee eens ee eeeees 98 Tae Spyit edgCernspart of the Bidwell Bar quadrangle a ten 84S SRG RUNLA Se FS 54 BE RacLSiw oo oo Sov ewurenerenemnen ven eee 2 non 99 wwe s Chapter’?. Th" ‘Downieville quadrangle........ 22.0222 cence eee eee eee ee settee teen eee e eee eee 102 “For 2 Gentya} geology ..ceeccec eee ec cece eee e eee e cece cee e eee e bet ee eee s estes teeter ees teeteceeceeneesees 102 Le a *Piabocgtions .. 0.0.. ce eee cece eee ene eee ee eee cece eee eeeeeeeteeeeeeeseeeeeeeeeteeeees 192 oe a : -_ Tass bearing areas and ‘production’ vz « «ss wasewere-y ¢ s es esewiew os + ves He NWERE WIE eee eae PREBLE es aaa ee 102 * “the-N enCene SUrBCOssics s ssn ccwe.s ss as Seu @ se a SOIREE © goo ERS od ooo Baw e sees ee 104 Main channel from Hepsidam to Scales......22--2222 222 e eee e cece eee ee ee ecee ects settee eeenees 105 Port Wine channel....... 2.222222 eee e eee eee nett nee nent een en enenee 108 Other gravels west of the Neocene » div C6 (ac 110 Gravels east‘of the Neocene divide. 5 . scncicnci ose twaseuin cies soueumneey soe es smears eee see ene 112 Quaternary gravelas . sss ss sesexiawms «sss seeeweee es so veeEewe ss sey AER EONE ee oo cs RoE oe eo oe 113 Chapter 8. The Honey Lake quadrangle..... 2.2.2.2 eee nnn nen eens 114 General geology....... 0. cece cece eee eee eee ree eee renee tent e eee eee e eee ees 114 DST) Carer (6) 01; Sa 114 Gold-bearing areas and production.. 02.2.. 2 eee e eee ec e nee eee e eee eee 114 The Tertiary topography: wcsceee sss os se carwees sss peeweces sass seeeaeua ewe ces ess weenereces SEEEERER 115 The pravele..c.é 2.08 5. $5 $8 SRIERES F 6 ¢ 5 & eee Yo 5 HOREIOEES o 9 e 9 seme ve ¢ ¥ es cee Ce eee 116