SI 
EXCURSION A 8. 
MINERAL DEPOSITS OF THE OTTAWA 
DISTRICT 
BY 
J. STANSFIELD. 
CONTENTS. PAGE. 
MimpnmenC hone. nts etre ie ee eas, 82 
SeOper OM eXCULSIOM. - 2220 he Am koe ek 82 
General geological description................ 82 
ees Scr blcaiies Hee ety ae ht eae 82 
Ord owacramer ne tet Bas Ped CoE eke: 84 
Pleistocene and post-Pleistocene.......... 85 
PEEP TCOROMIGes. 080i. fees i Sok 86 
The apatite deposits at the Emerald mine.......... 89 
| EA RCOIOO YO hh Bs Ba Pee ok SS 89 
@haracterof the apatite deposits.........)...: 9O 
reteovirammical notes: 4 0. e6e.06 wes FU on 
Silllnmasaivenc Meissen. ie). 2 ee J. QI 
PigeleSoraniiiite 0.44. oe tak he ed. QI 
Muscovite-biotite-oneiss: 2. ...0. 2. ee. gI 
| LATED (SST 010 (ear: lt aR I oa A Re Q2 
Pry perstnene. granite: . 1.0 7) oc. hind oe Q2 
Earnetwerous: Cneissy 75s. 6) Se we Q2 
(572.151 DIK es ea eee De Oe 93 
paverarbed oude, (continued)... 4.60. 0hu. cee. 93 
The Eozoon occurrence at Céte St. Pierre.......... 95 
Ceolocical relationships. 9%: 644.0 lhe ek. 95 
Whe nature of Fozoon canadense.:............ 98 
bMStOnICal Outline: ~ 98 caf. odce Benge eas ae 99 
maunorared curde (continued). .: 05 ee 99 
The graphite deposits at the Walker mine.......... IOI 
General geolozy of the locality. ..............+. IOI 
Geological relationships of the graphite deposits. 101 
PmMerated ouide (COMtIMUEd) 4. 6620 mn ove oy ek 105 
The graphite deposits at the Dominion mine........ 105 
mumeerrred ounce (Comtimued) 4) 2. ei kk ee 107 
he mica deposits at the Nellis’Mine............... itera 
Geological relationships of the deposits......... III 
@haracter of the-Vveinst) 9) 4.25000 so bee se oe. III 
mumoesred guide (continued) ......0 50.00.20. .00 0 oe. Tig 
LUC TTR ets Re 114 
g22 240 
