CHAPTER VIII. 
THE PEB.MO-CAE.BONIFEEOIJS SYSTEM— 
THE ftYMPIE EOEMATIOH OUTSIDE OP THE TYPE DISTRICT, 
Inc: 
'Wdino Yabeoi;, Mount Biggenden, Q-ebangle, Mount Shambook, Eiusvoid, Cania, Raglan, 
Langmoen, Calliope, Kooingal, Rockhampton, Deb and Don Rivers, St. Lawebnce. 
®tineral Areas— viz., Kilkivan and Black Snake, Kilkivan Mercury Mines and Mount Coora 
Copper Mine, Gayndali Gold Fields, Mount Bi^genden, Gebangle and Mount Shamrock 
®old Fields, Brovinia Gold Field, Paradise Gold Field, Baglan, Calliope, Horton, Cania 
®'hd Kroomhit Gold Fields, Rockhampton Gold Fields (excluding Mount Morgan), Fatten 
Cold Field, Gooroomjam Diggings, Warwick Gold Fields. 
Separated from tlie Gympie District by the granitic ranges which extend from 
■*|iHiivan to the heads of Munna Creek, and the granitic mass of Boolboonda, are some 
® rata from which Mr. Bands has obtained fossils which enable us to place them on the 
orizon of the Gympie Beds.* Among these strata beds of limestone and sandstone 
p?®® to Yarrol Station have yielded Froclucfus hmchytlicerus, G. Shy., P. sji. ind. (a), 
13, f. 0 ^ and Fleurophoms Eandsi, Eth. 111., as determined by my Colleague. Mr. 
^ ‘'■Rcls also mentions the following: — Fenestelh, Eelepora, Ceriopora, Spirifem (two 
^ecies)j Strophomenn rhomhoidalis, and another species, Ehynolionella, Aviculopecten, 
Mourlonia SirzelecJciana, Morris, and Orthoceras. 
. A galena lode, in slate country probably of the same age, has been worked about 
mile and a-half south of Tarrol Station. ' 
sir the Bismuth and Gold Mine of Mount Biggenden are limestones and 
slates, the latter predominating. The limestone has been metamorphosed and 
cha' crystalline. “ From the foot of the spur leading up to the mines (about 10 
^ Rms) rock consists entirely of siliceous slates, which dip very steeply to the north- 
ns mine is a bed of limestone about 70 feet in thickness, and above that 
jgj slates occur, together with an altered sedimentary rock containing quartz, 
ea ^i^rnhlende, and olivine. Books of the same character occur on the ridge north- 
den • Mount Biggenden itself. The Mount Biggenden 
of an irregular mass of magnetite, somewhat semicircular in shape, 
^ ®d on the north by the slates and on the south by the limestone.”t 
,. limestones, conglomerates, and slates form the country-rock of the Mount 
two^ '".p Gold Mine, which is situated on the south side of Biggenden Creek, about 
es south-east of the Mount Biggenden Mine.J 
eouj^. six miles north-north-west of Mount Shamrock, is situated in a 
consisting chiefly of stratified mud-rocks and siliceous slates, having a 
P. 10 . Report by W. H. Rands on the Goldfields of Raglan, Calliope, &o. Brisbane ; by Authority ; 1885, 
+ ^'^Pert by W . H. Rands on Mount Biggenden Bismuth Bline, &o. Brisbane : by Authority . 1890. 
cit., p. 3. 
