42 fo 45 46 48 49 si 52 53 54 a7 58 58 60 60 62 63 65 66 69 70 [f. 73 74 75 76 Vi 78 79 91 92 95 96 97 98 98 98 99 Isoclinal folds, black pelite unit, Black Stuart Group. Equal area net plot of poles to joints within the Kaza and Cariboo groups of the Cariboo Terrane. Equal area net plot of poles to joints within the Black Stuart Group, and Guyet, Waverly and Greenberry formations of the Cariboo Terrane. Structural cross-section from near Black Stuart Mountain palinspastically restored to before the Columbian Orogeny. Sections A to L, cut through a deformed clay model to illustrate the effect of pre-existing structure. Cross-section sawn through clay model of frame L of Figure 34. Isoclinally folded fine grained micaceous quartzite, Ramos succession, Snowshoe Group. Superimposed folds in amphibolite, Ramos succession, Snowshoe Group. Conglomerate, upper Tregillus succession, Snowshoe Group. Isoclinally folded impure orange weathering marble and green pelite, Kee Khan succession, Snowshoe Group. Conglomerate, Agnes succession, Snowshoe Group. Calcareous conglomerate, Agnes succession, Snowshoe Group. Normally graded quartzite to pelite, Eaglesnest succession, Snowshoe Group. Photomicrograph of silicified kamaenid or halysisid algae, Downey succession, Snowshoe Group. Photomicrograph of echinoid fragments, Bralco marble, Snowshoe Group. Grit, Tom succession, Snowshoe Group. Deformed Island Mountain amphibolite. Mineral occurrences within stratigraphic units of Barkerville Terrane. Distribution of most important placer and lode gold deposits within Barkerville Terrane. Map of the Barkerville Terrane divided into arbitrary structural domains. The equal area nets record the averaged plot of poles to the ductile style cleavage for each domain. Maps of the Barkerville Terrane divided into arbitrary structural domains. The equal area nets are plots of A) fold axes of the shear folds for each of the domains and B) ductile folds for each of the domains. Flow-folded quartz vein, Snowshoe Group micaceous quartzite. Relative timing of crystallization of metamorphic minerals and formation of cataclastic fabric and crenulations, Snowshoe Group, Barkerville Terrane. Pillow basalt, Antler Formation. Ribbon chert, Antler Formation. Serpentinite of the Crooked Amphibolite. Equal area net plots of poles to cleavage and the trend of fold axes from the Slide Mountain Terrane Antler Formation. Averaged equal area net plots of poles to joints in the Antler Formation. Conglomerate within Triassic black pelite, Quesnel Terrane. Map of the Guyet Formation conglomerate samples analyzed for their amount of strain. Equal area net plot of the axes to the ellipsoid used as a standard to which calculated strain ellipsoids for the Guyet Formation conglomerate can be compared. Polar plots of the natural log of the axial ratio and orientation of the long axis of the final ellipses from sample 1. Scanning electron micrograph of a deformed chert clast, Guyet Formation conglomerate. Scanning electron micrograph of a deformed micaceous chert grain, Guyet Formation conglomerate. Scanning electron micrograph of quartz subgrain formation at the ends of a crushed quartz grain, Guyet Formation conglomerate. Scanning electron micrograph of quartz crystal fibrous growth in the pressure shadows of a quartz grain, Guyet Formation conglomerate. Equal area net plots of the trends of the three axes of the determined strain ellipsoids for samples from the Guyet Formation conglomerate. Nadai deformation plot showing the magnitude and shape of the strain ellipsoid for samples of Guyet Formation conglomerate.