Here's an abstract, the best I can do ...
Consecration of a Chapel or Church in Pendle
To all interested parties, John [Bird], first bishop of the Diocese of Chester by the King’s authority, bids you greeting, grace and benediction. This is to notify you that we have recently consecrated a new Chapel of the Blessed Mary in Pendle within the parish of Whalley, in the county of Lancaster, in our diocese of Chester, because of the long distance from there to the parish church, so that divine service may be celebrated for the glory of God in a suitable chapel. To avoid any conflict that might arise between the Vicar of Whalley and certain inhabitants of Pendle, we have appointed as churchwardens James Hargreaves and Edmund Stevenson, of the hamlet of Goldshaw; John Monknnolls[?] and William Bulcocke, of the hamlets of Barley and Wheatley respectively; John Hartley, Milo Nutter, of Roughlee; and John Robinson, of Oldland. We have been asked to ratify this with a binding agreement that the income due to the chapel should be used to maintain a suitable chaplain to celebrate divine service there, on occasions determined by the churchwardens, unless otherwise instructed by the parish of Whalley. The Rector of Whalley will still receive the income due to him from the parish of Whalley, but the Vicar of Whalley is exonerated from duties of care within the boundary of Pendle. The churchwardens will furnish the chaplain of Pendle with everything he needs to carry out his duties. If outsiders who do not live in the hamlets repeatedly attend the chapel at Pendle and make use of its facilities to the extent that others are denied them, the churchwardens and the Pendle chaplain, and by special licence the chaplain of Clitheroe Castle, are authorised to prevent these people from attending at Pendle. Issued according to the customary rights of the Cathedral Church of Chester, saving the rights of anyone else etc. Sealed with the seal of our Vicar in charge of spiritual and general affairs, because our own seal is not to hand. Dated 1 October 1544, in the 36th year of the reign of [Henry VIII], and in the 3rd year of our Translation.
Agrees with the original
<signed> William Hill/Hall, Notary Public
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As horselydown86 has said, there is no further date here. It is a copy, signed by a notary, of the original bishop’s decree of 1544 and inserted in the bishop’s register, which you say is dated 1579-1646. To narrow down the time-frame, it would probably be best to ask Cheshire Archives to inspect the documents either side of it in the register.