The Quarry Industry in Southeastern New York

The Quarry Industry in Southeastern New York

THE QUARRY INDU STRY IN SOUTHEASTERN NEW YORK E DW I N C Reprinted fr om20th r epor t o f the State Geologist 1900 ALBANY UN IVE RSITY OF THE STATE O F N EW YO RK 1 90 2 mu m-mm Price 1 5 ce nt s 7 7 . n77 Geology of th e a Successio n o i Pre - Cam Po ug h ql Stockbr Hudsor Green Pine I Long v Cornwall 11mm N n n n e wfo u dla d quartzite (Da m . Monroe shales ( De v o nian) Bellv ale fl ags ( D ev onia n) Sch u nemunk conglomerate ( Dev onian ) Newark beds (Jura-Trias) I gneo u s ro cks ( intrusiv e in th e abo v e) Q uarry industry o f th e are a Prev io u s publicat io ns G ran te $ n u n ne ss o r te tra e tc i i cl di g g i , di i , p, Lower pre- Cambrian gn eisse s Fordha mgne iss Yo nke rs gne i ss G ranites and allied ro cks in small areas Harriso n diori te Co rtlandt series $ gabbro s and dio rites Ne wark diabase Sandstone s $ including shale s Po ughqua g quartzite Hudso n shale s and sandst o ne s G reen Pond conglo mera te Pine Hill quartzite Lo ngwoo d red shales Bellv ale fl ags Newark sandstone Limestone s $ including marble s Cambro - Silu ria n lime sto nes o f th e Highlan ds Sto ckbridge and Barnegat limesto nes Newark lime sto ne co nglo merate N ew Y ork State Museum THE QU ARRY INDU STRY I N SOUTHEASTERN NEW Y ORK u a a a Th e fo llo wing paper is p rely prelimin ry in its n ture , mo r e c omplete discu ssion o f the subject being reserved fo r a for thcoming museum bulletin o n the Graavites and mar bles of rk t t o o ne o f a o n u N ew Yo s a e, which is t form series the b ild f t a re a c e a ing st ones o the sta e . The dis uss d in the present p per n e Ne e W s ch es Put i clud s the counties of w York, Qu ens , e t ter , n am D R a and O a e . a e , utchess , ockl nd r ng A few qu rri s in the irfi l n t a Fa e d c e a s . wes ern h lf of ou ty, Ct , ar l o des cribed The data here presente d have be e n collec ted during the past n De ri fo u r yea rs field wo rk in the area under co sideration . sc p t ions of several o f the qua rrie s have bee n furnishe d th e writer Mr Ma o 1900 o n fi by H . C . gnus , who spent s me time in eld work fo r a s ra e o and Mr g the st te mu eum in cent l W stchester c unty , by wh s e f r e fie n o in B . wa a o a d a o F Hill , o ng ged sev r l l se s ns o w rk $ is a e o Mr M Pu tna m county . The writer lso ind bted t Joseph o rje fo r va lua ble a s sis tance in the pre par ation o f the material fo r a o e are a e o r f pu blication . Other ckn wledgm nts m d in the c u se o th e pa per . G EOLOGY OF THE AREA h a Th e a rea discussed in the present pa per , t ough rel tively ma co a s e se n a e all o o c s ll, nt in r pre t tiv s of the ge l gi systems from e -Cam a t o T a c cc in New o e ith pre bri n the ri s whi h o ur Y rk stat . T h e e e a ar f $ geologic discussion h re pres nted is merely summ y o t th o se facts o f importance in connection with the quarry ih o a a tdust ry f the area . The re l distribution o f the vari fo u s formations is very complicated and can hardly be e x $plained without reference t o a geologic map o f fairly large sca . The ne w e ma o f Ne w E le dition of the geologic p York , i on a s a o f 5 e c c le mil s to the in h , will be fou nd se rvice able in this connection . W estche ster and Ne w York c oun ti s a a o f R c a O a and Pu am e , with sm ll p rts o kl nd, r nge tn , are well shown o n the geologic map o f a part o f south ea stern Ne w o F H M rri . e Y rk by Dr J . ll , published in 1895 . 2 681 9 3 NE W Y O RK STATE MU SE UM Fo r a a o f o a a det iled discussion the ge logy of this p rt of the re a , ’ re fe rence mu st be ma de to Dr Mer r ill s paper o n the Crysta l $ c u a s Ne w o h line ro ks of so the tern Y rk , published in the 50t R r annua l report o f the Ne w York state museum . epo ts o n nd R c b Dr R e a nd K iimm l Orange a o kl and counties , y i s Dr e a a o e . a r respectively , h ve ls been issu d The Devoni n outlie exte nding in Orange county from near Cornwall to G reenwo od M N a h as a r . a . l ke , been discussed in det il by H D rton The oldest forma tion in the area is a series o f gneisses of pre f h C ia a e a o t e a d . To ambr n g , forming the m ss Highl n s the a t h e a a as Cambr o northwest of this r nge is gre t lowl nd , b ed on nd a Ordovician limestones a sha les . A structural b sin lying o n h e fl a th e ma - Ca k t northwest nk of in body of pre mbrian roc s , but sepa rated from the Pa leozoic lowland in Ora nge county by a a - ambrian u a series of sm ll pre Q o tliers , cont ins Upper Siluria n n n - a d Devonia n formations . Ea st a d southea st of the pre Oam a a o n is a bri n m ss , the western side of the Hudson , region in a a o which the sediment ry rocks h ve been highly metamorph sed, a d and a a Cam the s n stones , limestones sh les of the norm l bro O a a e a a s a a . rdovici n pp ring here qu rtzites , highly cryst lline lime and . a s stones , schists As further result of the force to which a a a i a they h ve been subje cted the str t , originally la d down in a a no w a r ne rly horizont l position , form series of folds , t ending a and Pa nd genera lly northe st southwest , both leozoic a pre o f Cambrian beds being involved in these folds . South the pre Ca a r a mbri n, to the west of the Hudson rive , these ltered Pa leozoic rocks are almost entirely overla in by the Newa rk R a d . ad rocks , which cover most of ockl n county In dition to are a a a the formations noted above , which p rts of norm l suc u a s a a . cession , igne o s rocks occur intrusives of l ter d te SU C C E SSI O N O F T H E F O R MAT I O NS Pro-Cambrian rocks The pre - Ca mbrian rocks o f s o uthea stern Ne w Y o rk consist s o a e and o a . o f a series of gnei s id gr nit s gneisses , l c lly schistose In West chester co unty the more massive (and in general more Merr l o o il , ph t . - Pre ambr an ne ss La e Ma o ac . C i g i , k h p N Y o to mcro ra in o lar e l t e n a r e me nt 22 amete rs . Ph i g ph p iz d igh , l g di R E PO RT OF THE DIRE CTOR AND STAT E G E OLOGI ST 1 900 r145 a ed s b a sic) lower gneisses are o verlain by a highly foli t gneis , M as a i .

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