Georgie's birthday puzzle

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Across
  1. 1. Quick remove sulphur! Headlong into skin problem (5,4)
  2. 3. Curtailed crustacean in charge of diverted train finds career (12)
  3. 5. Damaged fossil has energy and sounds stupid in remote archipelago (5,2,6)
  4. 8. Heading away from Tyneside,one million managed event for lunatics! (7)
  5. 10. Blue Peter animal misbehaves en trop making puddle! (10)
  6. 12. Info on more than one attractive, posh, fashionable Falklander (6,7)
  7. 13. Crazy raj huffy re Asian CBE (6,7)
Down
  1. 2. Trouble afoot? Expect Jack confused fascist about team (6,9)
  2. 4. Port in Northern France with a trainer gives express supplier (6,4)
  3. 6. Unwanted exhaust noise necessary for safe journey (5,4)
  4. 7. Buchan's ascent taking out Blyton's heroes gives rise to celebration (6-4)
  5. 9. Agitated heel condones defeat in retrospect - definitely not a cakewalk! (6,6,4)
  6. 11. Reset satnav avoiding N to join Romeo, earning kudos here (6)