Table S1.
Jiskairumoko grinding tools tested for starch; handstones/manos one-handed unless otherwise noted
| Block no./structure 14C dates | Sample no. | Tool ID/provenience | Tool type | Subtype | Recycled* | Multiple concomitant use | No. Solanum starch | No. non-Solanum starch | Total no. starch |
| Late Archaic period | |||||||||
| Block 9/Pithouse 1 | 1 | Tool 57/x27a8vii | Mano | F-c/basin | X | — | 16 | 19 | 35 |
| 4,562 ± 73 14C y BP (AA58476) | 2 | Tool 232/aa28c7vii | Mano | F-c | X | — | 6 | 8 | 14 |
| 3 | Tool 1/z26c7vi | Mano | F-c | — | — | 1 | — | 1 | |
| 4 | Tool 2/bb27b3vi | Mano | F-c | — | — | 1 | 12 | 13 | |
| 5 | Tool 17/y25c11v | Mano/abrader/pecking stone | Flat/f-c | X | X | 14 | 10 | 24 | |
| 6 | Tool 05/x25dix11 | Pecking stone/ flat-faceted abrader | — | — | — | — | — | — | |
| 7 | Tool 378/z27axiii1 | Handstone | — | — | — | — | — | — | |
| Total no. Late Archaeic starches | 38 | 49 | 87 | ||||||
| Terminal Archaic period | |||||||||
| Block 3/Pithouse 3 | 8 | Tool 131/w36d7viii | Mano/ flat-faceted abrader | F-c | — | X | — | 2 | 2 |
| 3,448 ± 44 14C y BP (AA43382) | 9 | Tool 132/w36d7viii | Mano/ flat-faceted abrader, fragment | F-c | X | X | — | 7 | 7 |
| 10 | Tool 174/ x37c7viiia | Metate frag. | F-c | — | — | 1 | 5 | 6 | |
| 11 | Tool 103/y34aviii10 | Mano frag. | F-c | X | — | — | — | — | |
| 12 | Tool 106/y36cvii7 | Handstone/ poss. mano | Basin | — | — | — | — | — | |
| 13 | Tool 163/z36bvclayfl | Handstone/ pecking stone | — | — | X | — | — | — | |
| Total no. Terminal Archaic starches | 1 | 14 | 15 | ||||||
| Early Formative period | |||||||||
| Block 4/Rectangular Structure 1 | 14 | Tool 107/ ff22c0av | Mano | F-c | — | — | 1 | — | 1 |
| 3,410 ± 70 14C y BP (Beta-97320) | 15 | Tool 120/jj24dvii8 | Mano | Two-handed mano | — | — | — | 1 | 1 |
| 3,401 ± 45 14C y BP (AA43375) | |||||||||
| 3,330 ± 45 14C y BP (AA43376) | |||||||||
| 3,240 ± 70 14C y BP (Beta-97321) | |||||||||
| Block 6/Rectangular Structure 2 and | 16 | Tool 105/ | Mano | Basin | — | — | — | 1 | 1 |
| Block 7/Semi-Subterranean Structure 1 | 17 | Tool 125/ hh32d0aiv | Mano | F-c | — | — | 7 | 23 | 30 |
| 3,235 ± 58 14C y BP (AA45952) | 18 | Tool 198/ jj30d1iv | Mano | Basin | — | — | 3 | 2 | 5 |
| 3,208 ± 58 14C y BP (AA58475) | 19 | Tool 54/rr25a/bxii23 | Mano frag. | F-c | — | — | — | 1 | 1 |
| 20 | Tool 63/rr25av10 | Handstone/ pecking stone | Flat/f-c | — | X | — | — | — | |
| Total no. Early Formative starches | 11 | 28 | 39 | ||||||
| Total no. starches for all time periods | 50 | 91 | 141 | ||||||
F-c, flat-concave.
*
Recycled manos/handstones are thought to have been recycled from (worn out or fragmented) metates/netherstones.