. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. ,1 a w 5 33 U CO 5t^ is X K X H H !?ACRAMENTO FIELD DIVISION. 279 I > X l-H f «b XI;; ^ •^ d ^ d ?> « ,_; dX X xg >X A CEi oi kJ X •^ to ? -J* !5 Km rt „- d a 65 X _x •- aQ__j aj« dXMXX^G pj CO 0^ Oh CO tf 02. §^ H = •3 ?• •f 2 •5 fl ai I-2 S -bO REPORT OP STATE MINERALOGIST. GRANITE. Granodiorite, locally valUtl {granite, is the principal rock outcroppingin the,district between Kocklin and Newcastle. Quarries were openedat Penryn by G. Griffith and at Kocklin in lbG
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. ,1 a w 5 33 U CO 5t^ is X K X H H !?ACRAMENTO FIELD DIVISION. 279 I > X l-H f «b XI;; ^ •^ d ^ d ?> « ,_; dX X xg >X A CEi oi kJ X •^ to ? -J* !5 Km rt „- d a 65 X _x •- aQ__j aj« dXMXX^G pj CO 0^ Oh CO tf 02. §^ H = •3 ?• •f 2 •5 fl ai I-2 S -bO REPORT OP STATE MINERALOGIST. GRANITE. Granodiorite, locally valUtl {granite, is the principal rock outcroppingin the,district between Kocklin and Newcastle. Quarries were openedat Penryn by G. Griffith and at Kocklin in lbG;{ and 1^04 immediatelyafler the completion ol the Central Pacific Railroad to those i) of the finest buildin^rs in the state, including the state caj)itol anda number in old San Francisco, were built with t-lie Placer County industry at tliese two towns employed 300 men or more until l8t)0,when the demands of stonecutters for increased wajres and the compe-tition of manufactured building materials strangled it. There are several grades of stone in the different quarries. Thatfrom Rocklin is a rather fine-grained biotite granite with considerableorthoclase, ami the dark minerals are not ])rominent. so that the coloris silver gray. At Penryn the stone in the main (juarry is formed ofmuch coarser cry
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Keywords: ., bookcentury1800, bookdecade1850, bookidappendixtojo, bookyear1853
