Maria
| Name of structure: | Maria |
| Extended name of structure: | Abbey of Santa Maria in Monastery of San Nilo |
| Type of structure: | Church |
| Country or main area: | Italy |
| Region within country or main area: | Lazio |
| City or area within region: | Grottaferrata |
| Date of structure: | 1004-24 |
| Century of structure 1: | 11 AD |
| Century of structure 2: | 11 AD |
| Specific place of mosaic: | Triumphal arch; inner narthex. |
| Brief descriptive contents of mosaic: | Triumphal arch: Pentecost, St Peter and St Andrea. Inner narthex: Deesis and San Nilo? |
| Date of mosaic: | Inner Narthex: 11C, 13C Triumphal arch after 1191 |
| Century of mosaic 1: | 13 AD |
| Century of mosaic 2: | |
| Silver tessera at site: | Unknown |
| Gold tessera at site: | Yes |
| Colour tessera at site: | Yes |
| Were other materials found at site (i.e., glass cakes)? | Unknown |
| Has analysis been done? | Unknown |
| Samples taken from where? | n/a |
| Excavation and restoration campaigns: | |
| Bibliography of mainly technical resources: | Gianellla, A.M., 'Il mosaico della ‘Discesa dello Spirito Santo’ a Grottaferrata', Bollettino della Badia Greca di Grottaferrata 40 (1986), 187-214. Baumstark, A., 'Il musaico degli Apostoli della chiesa abbaziale di Grottaferrate', Oriens Christianus 4 (1904), 121-. |
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