Possible Clues:

• Decimal part of a logarithm
• Fractional part of logarithm
• Logarithm part
• Bit of a log that could be chopped up in Satanism
• Two seconds to replace the two lengths of lace shawl — a fractional part
• Part of a log where prayer sat endlessly
• Predatory insect's advanced in part of log
• Fractional part of a logarithm
• Prayer, as recalled, for the end of logarithms!
• Part of log needs singular stamina to cut up