Collection: Books and Periodicals

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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  

CONTENTS. . 5 Part II. Detailed descriptions by quadrangles—Continued. Page. Chapter 9. The Sierraville quadrangle. ..... 2.22.2. .2 0 ec e cc eececeeccncee ence cence nee cseeeneeeees 117 General: geology csuxecsweawe sss aeuxemares ss RSENS 5 Ee SEES RUE Bo 5 45 RAGES § «+ 2 acesecnseueseame 0 2 © ensesesincee 117 Structural features....... 2.202... cece cee ee eee cece cece nee en eee teste eaenenee 118 Mineral deposits...........2.. 00.02 cece eee eee eee en eee n eee eee cnet ee eeeeeeeeeeeeees 118 Chapter 10. The Marysville quadrangle.........-. 22.2... 222 c eee eee cece ence een ence nc eneeeees 119 Marysville Buttes c.ccsomise sss peewee so a poem Ts 5 © SeuREIRN Fs se 3 DEERE © os WeEES 2 ex 5 eo 119 Origin and present form......... 02.00.0502 c cece cee cece cece eee cence eee eect ene eteeecteeaee 119 The) tuff rings: seewses se 2 5 = s se memieiee £5 9555 eRinseed Bo 2 2 + myeuniBieseceve oo = ose eonanseneunses nen 2 2s avmsnuennqaseye sn eee ene 119 The upturned sediments............ 222.20. 2c cece cece eee nent n nee e eee eeeeeees 119 The central core.........0.0.. 0 0c e eee e eee e eee e eee e st eeeeeeeeees 120 Goldzbearing SFAVEIS. « . < «<5 seine v os poems ¢ 2 2s SEE EURRErE eee FO R@LERIRRIES v2 eg PRR os oe Ee 129 Chapter 11. The Smartsville quadrangle............. 22.02.0020. o eee cee cece cence cece eee eeeeeeeee 121 General peology ssiscassnsscomas os aawiswin.s 4445 REESE 2 8 5G LEAN Sd few cpeumiemunemen ee Se cceeeeeeeeeees 121 Gold-bearing areas and production...........2. 22-2... e eee c cece ete eee ence eee ee een eeneeees 121 Extent of workings.......... 22.00.22 e cece cee cee cee eee eee ence een eee eeeeeeenes fevatans 6 5 3 wre 122 Tone formation. ............ 202 cece cece cence enn eee cece eee n eect eee e ete eeeeteeeeeee 123 Auriferous:gravel8 eins sscscrre + ss ¢ eeeauree oy ss PemRATS 4 ¢ ¢ POE Hee ee a BERREEe £5 4 ea ReeIee 2 8 5 oS 123 Rhyolitecsessssssewcon vimmcms.s so ss eemenwie.s os 5 ReWRSIRIE ¢ 04 4 SmI SBEISE oOo a DA RtI ede UE EF unseen et ee non 124 ATGORI LE 5.255105. aiSG8.5.5 io GIRidi asd 4S SEE AR DASE ¥ 0 SeedBomiBancdiene + © 2 exprepnnrnmnnuncn © 0 4.» eunsnueunzenmunan 4 9 2 9 auezesedenene #0 0 acosece 125 Tertiary gravels of the Nevada City and Grass Valley districts............0. 0.2.20. 2 cece cece ence eees 125 Auriferous gravels............ 00.2. eee eee cee cee eee eee eee eens cent eee ceeceeeeeeneee 125 Rhyolitic tull@isccscecssswseewsapesews ¢ ss seve +s vs eH HEWES ee 2 t+ OERSERUS ¢ ee 4 Ze a ee 126 Andesitic tuffss sscc0nss ss ss seewwawe sss seueeusies 5 os swe eueues so se pee REESIEN oo 55% 4 RGR weE sees ae 126 The Tertiary bedrock surface...........0.. 2-202 c cece cece eee eee cece eee eee e ee eeteeeeeeeaee 127 Deposition of the auriferous gravels...... 2.2.2.0... 2.222 e cece cece cece eee teen eee enees 129 The Voleani€ NOW evecare ¢ ess srccgrrensens oe y yomereenees 5 vs seeensmwe os oa wipipreemenses ys BERENS £8 EP 129 Mining operations in the gravels of Nevada City and Grass Valley..............-..-.----0-----00131 Chapter 12. The Colfax quadrangle...... a oe eres © 8 & & SSIES x 2 2 3 RSIS SE #5 3 ae 133 General geology..............2 2.6202 e ee eee eee eee ee eee eee eens ceceeeee cece tec eee eee eeeeeeeeeeee Gold-bearing areas and production.........-..2.. 2.22202 e eee eee cee ee eee nett e eee eeeeees The Tertiaiy topopra ph yrciecccerese «os gs ceomuersrene ooo wyyierysenng 2 2 g seen aos os wensotggys Ys g 2 + corer ge se 2 or Rhyolitecvsws cewuees: same ve s : + se wierew 2s 5 SEE Fe es SERIE coo aeR@EE Ses eo SEER e eo 2 oe Andesite.............. 2. eee cee eee eee Aso = Senanseanuenean © # ¢ 4 wstunanensanmse: © #2 9 sunaginientanenne #1 © 6 ¢ m manteneantneeames © © = #15" Detailed description of auriferous gravels......... 2... eee eee eee eee nett e ee eeeeee Heese eee Tertiary prevolcanic gravels...........2... 00.22 cece cece ee eee eee ence cence eee eeeeeees Oregon Creek and Vicinity’. ..cce66 sss scepseee esse eeeeeeeues iss tepewsaws cess sens raieiate 4 ag ay North Columbiawccssccwsss senses ss sweeewm.e ss ss eemew es 6 2s 5a eee e542 DRewaEwS ee es ee North Bloomfield, Derbec, and Relief........ 0.2.0.2... 2-2 0c cece eee cece eee cee eee eteees Mount Zion..... Snonons 6 «4 + sremsuencsanene © < 4 aueiunemanssine 4 « » ceemensneronei: « 6 © >» auenereceoneae v6 = + wtanSonenexesnic © 4 « 2 es Cherry Hill and Shands.................. 02.22 cece cece cece eee eee ence cence eeeeeeeees Snow Point, Orleans, and Moores Flat. .... 2... 0... ccc cee eee ence nee eeeeeeee Woolsey Flati....22.. ccsies.. csancdic $46 a9 RmES #65 s SARWEGO OE os RE MRW EAE oo 255 Ee Rao ea bee ene Minnesota, Chips Flat, and Alleghany............2.....0 200.022 c eee ce eee eee eee eee eee Smiths Flat........... 0. cee eee ee eee een eee ence ee eeeeees Forest wecwcrwepewwrersesere ¢ = = 5 sepegremerrew 5 6 wrarscetenrnaus 6 oo 4 smaravonetennn oo wa a anuanoRaNeveRD © 6 2 6 6 enemNOTENeN gg & BH American Hill... 2.0.2... 2 ec cence eee eee e ee eeeee ogee 3 Blue Tent.............022 20 cce cece ee cece eee eee e eect eee ne ene eeneneeeeee B48 acer Quaker Hill and Scotts Flat............. er Te re tals You Bet and Little York........... 0.0. ccc cece cece eee e teen eee eens yy Dutch Flat. 2.2.20... eee eee een cece eee n cnet e eee enone > Indiana Hill and Gold Run................. 0220 e eee ence eee e ee eeee Bsc Ala scaweweawamuresme 2s se seme vee a eee wees g ceteeeeee cece eee e cece eee eneneeeeeee vecyeaee a Shady Bums s « s see«sws « ¢¢ 2s smemems ¢ ss eee os so 3 vee eo 3 5 eee eels 9 9 8 4 4G PGISEIEISG 8 BPS Blue Canyon... 0.22... 22. 2c cece eee ce eee ete nnn eerie et eeeeeeeeeeee Liberty Hill and Lowell Hill.....2.. 2.200000. 2000s Remington Hill and Steep Hollow..............2..2..2.-.--2-. Lecce eee eee e eee eee ee Alphacand Oinegas sess s vs sere 6 ose cemnenecee os oo 2 avniannnw oo oo va atoms a ov oe seen ge oa we Phelps Hill, Centennial, and San Jose.....2..0...0 0.000000 c ee ene cece ence ees Towa Hill.and Wisconsin Hill........ Rr rr re eee Peckham Hill and Todd Valley.............2. 0.0020 cece eee ene eee e eee eee e ete eeeeees Georvia Hill, Yankee Jim, and Smiths Point..................0.0 000 ccc eee eee eee eee Dardanelles, Mayflower; and ‘Bathierwc «.. 2 sssense 4 5 eerscanraiow oo 6 cremuenonios 6 60s earmomnew eet es