There is great variation among conservative Anglicans. In my own diocese (which is quite conservative) there are charismatics, broad evangelicals, those who would define themselves as Reformed, and a few anglo-catholics.

The bases for Anglican belief and practice are the Book of Common Prayer and the 39 Articles of Religion, although there are may who would depart from these formularies. For example, among the Continuing Anglican groups the idea of predestination is not popular (so far as I can tell) even though it is explicit in the 39 Articles.

However, even in the "reformed" parishes you are not likely to find analytic and parsed theology like one would find in a OPC.

I should mention that my own parish is quite conservative and reformed (little R).

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