Above, where discovery of the removed offering was within the border marked by Har HaTzofim: Pesachim 49a
Amount, whether an Egg-Size or an Olive-Size, mandating a person to return and burn it properly: Pesachim 49a, 49b-50a
Burning after "Ibbur Tzurah": Menachot 48a-49a, 50b
Rabbinic decree that one should burn an offering which was sanctified erroneously and processed in the Beit haMikdash before the error was discovered, lest people see it buried and think that disqualified offerings are to be buried: Keritot 24b
"Ikkur"
"Ikkur" Process (for a Modern Sanctified Item): Yoma 66a