Phoenix Magazine March 22Nd

[vinpaul]

Help needed again with a few clues,
1dn In asylums, holy part of Latin mass is not finished before non-Christian sign is given (11) S?N????????
14dn Describes paths of projectiles if crack Allies unit ends up with very primitive weapon (9) ??????E?S
10ac How hooker set about rich, powerful, strangely colorful, lying, horny, old geezer. (8) ???U?A?E. [could it be UNGULATE?]
13ac Was there mad, mad panic, for example, when group lobbied TDs for a change? (10) ?????I?O?D
17ac Be met with chilly expression when I get into town. (4) ????
20ac Unstable until last 66.6% of explosive stuff is removed; then it can be of benefit (6) ?????E

[Mamyalynne]

20 Usable - remove TN(T)

[kettledrum]

1d sanctu(s) + Aries

[scorpiojo]

1 Sanctu(m) Aries

[vinpaul]

A few errors in my letter combinations.
19 is STRUMPET
13 is CAMPAIGNED
17 is BIRR
14 is PARABOLAS