FTSE slips as BoE rate cut fails to inspire

* FTSE 100 closes down 0.2 pct at 4,163.61

* Investors digest 100-bps interest-rate cut

* Oils, banks rise; miners fall

By Rebekah Curtis

LONDON, Dec 4 (Reuters) - Britain's FTSE 100 .FTSE ended a volatile session slightly lower on Thursday as investors digested a 100-basis point cut in interest rates and losses in miners eclipsed stronger oils.

Britain's benchmark share index closed down 6.35 points, or 0.2 percent, at 4,163.61 points, having whipsawed in a trading range of 4,090 and 4,261 points.

The Bank of England slashed borrowing costs by a full percentage point to shore up Britain's deteriorating economy and stave off the threat of deflation.

The central bank warned further measures would be required to hold the economy back from plunging into deep recession.  Continued...