305 
Several seams of coal are seen in Clierwell Creek, about four miles to tke north- 
west of Howard, as well as in the Isis and Gregory Eivers. 
South of Maryborough the same formation has been mapped and reported on 
by Mr. Bands. It is separated from the Permo-Carboniferous rocks by a line running 
south-east from the heads of Ooramera Creek to the Mary Biver, south of the mouth 
of Hookey Creek, and thence eastward to Curra Creek. Prom Curra Creek the line runs 
north-eastward till it bends round the spurs of Mt. Goomboorian, on ■which the Neerdie 
Antimony Minos are situated. Thence the line runs south-south-east to the coast at 
Point Cartwright. The strata are disposed in a trough, of which the synclinal 
axis, roughly speaking, coincides with the line of the Maryborough and Gympie 
Bailway. 
In the Tiaro District, the formation is much more disturbed by faults and 
intrusive rocks than in the Biirrum District. The direction and degree of dip are 
seldom the same over any large area. In many places dykes and masses of intrusive 
rocks come up through and disturb the coal strata. The Kannagan Bange, near 
Kilkivan Junction, consists entirely of felsite-porphyry. An intrusive mass of horn- 
blende and felspar-porphyry occurs near Tiaro. Near Aurora Plantation a large dyke 
of porphyritic rock forms a bar across the Mary Biver, and a similar rock occurs in a 
railway cutting north of Mungar. A volcanic agglomerate is seen on the Bailway 
twenty three and a half miles from Maryborough. A mass of micaceous granite occurs 
on the eastern slope of Mt. Bopple. The granitic mass of Teebar abuts to the north 
against both the Eurrum and the Gympie Beds. 
The strata consists of conglomerates, sandstones, shales and clays, with beds of 
coal, and are, on the whole, very much similar to those of the Burrum District. They 
are full of plant-remains, which, however, are generally not well preserved. The dip 
of the strata is generally very high, varying from 25° to 48°. 
In Bull’s Selection (No. 1537), near Gunalda, a seam of bright steel-grey 
anthracitic coal, eighteen to twenty inches thick, was cut in a shaft at a depth of forty 
one feet. The coal and other strata dip W. 20° S. at a low angle towards the felsite 
of the Kannagan Bange. The shales have been baked, and the greater part of the hydro- 
carbons driven from the coal by the felsite. 
In Selection 1767, two and a half miles above the junction of Munna Creek with 
the Mary Biver, the following strata dip at 11° to N. 30° E. : — 
Ft. In. 
Shale 1 0 
Bright bituminous CbaZ (Top Seam) 2 8 
Black coaly shale 2 1 
Bright bituminous CoaZ with a few thin bands (Bottom Seam) ... 3 0 
Black and brown shales 3 3 
Coal and shale mixed 3 0 
In his “ Beport on the Coal Deposits of West Moreton and Darling Downs,” Mr. 
Gregory gives the following analysis of coal from “Miva Seam, Mary Biver”: — 
Volatile in coking ... ... ... ... ... 23'6 
Pixed carbon ... 61'0 
Ash 15-4 
Coke, 76'4 ; Carbon in coke, 80 ; Ash in coke, 20. 
100-0 
Prom some expressions in his “ Beport on part of Wide Bay and Burnett 
istricts,” I infer that this Miva Coal is the same as that in Munna Creek. 
T 
