Cryptic crossword No 3,369

Across

1. Article or small measurement results in formula (7)
2. Run of the mill spice (7)
3. Owner of one ship, or two? (7)
4. A metal arm crushed my old school (4,5)
5. Steven Tyler hosts meeting (5)
6. Sat on the throne as the clouds opened, allegedly (7)
7. Creates God within Australia (7)
8. That person's wild boar eating four rabbits and horses, say (9)
9. Drug placed in alleyway is cut (5)
10. Laboratory apparatus and vessel for siren? (4,3)
11. Break Delaware burial chamber (7)
12. Gifts from tailless tall fantasy creatures (7)
13. Ship carries backwards traditions and old substance for sanguine scientists? (11)

Down

1. Setter is vegetable's roots (8)
2. One who mixes river and bird (6)
3. Cross turned upside-down after version by, say, an animal lover? (10)
4. Stomachs elevated obscene material (4)
5. Sacral troubled devil (6)
6. Republican husband fronts unhinged erotic hyperbole (8)
7. Art downfall regularly overlooked for lacking central key (6)
8. Liberal and I do drive for it! (6)
9. Selected writings from deranged sect following early psychosexual stage (8)
10. Fantasies of whimsical rumps, or so I've heard (5,5)
11. Stick assault has king replaced with husband (6)
12. Blackmail former doctor's other half over time (6)
13. Censored revision held over jornalist (6)
14. In the center of a gloomy used up station (6)
15. Cocaine seen returned in Moscow on Sunday (4)
16. Increasingly surreal alien (8)