platp; IV. 
PLICATED AND FAULTED BEDS IN SLATE. 
(A) Extremely plicated bed of quartzose limestone or calcareous quartzite in Cam- 
brian slate at Fair Haven, Vermont, Natural size. The slate on both sides of 
the bed for a half inch is green; beyond that, purplish. 
(/>') Extreme lv plicated bed of quartzose limestone or calcareous quartzite in Cam- 
brian slate at Fair Haven, Vermont, Reduced one-half. 
(C) Faulted quartzite bed in slate at Meadow Slate Company's quarry, Fair Haven, 
Vermont, Normal fault. 
(D) Faulted quartzite bed in slate at Eureka quarry, Poultney, Vermont, Reversed 
fault. 
(E) Thin section of faulted calcareous bed at Pawlet, Vermont, given in PI. XXI 1 1, 
D, showing adjustment of cleavage to faulting and production of secondary cleav- 
age. Enlargement, .').] diameters. 
(F) Thin section <f plicated and faulted beds of cal cite and quartz separating beds 
of purple and green Cambrian slate at Blissville, Castleton, Vermont. Enlarge- 
ment, 2 diameters. Both calcite and quartz beds are bordered on both sides 
with chlorite scales. 
(G) Dislocated beds of quartzite in purple Cambrian slate at old quarry, about one 
mile south of West Castleton, Vermont, A fragment of a bed of quartzite has 
been turned about into the cleavage foliation and across smaller beds of quartz- 
ite. By L. M. Prindle. 
(H) Plicated and folded quartzite in Cambrian slate at Fair Haven, Vermont. 
Height, 40 feet. Minor plications somewhat enlarged. 
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