TABLE 1. The geographical locality, number of samples (with reference codes) and UTM grid reference for the material collected and studied.
| Location | Number of Thin Sections (and reference codes) | Grid Reference |
| B4371 road cutting near Longville | 8 samples (LS0.5, 1, 1.5, 2, 2.5, 3, 3.5 and 4) | SO 540575 66639 |
| top of the edge on the B4371 near Longville | 7 samples (LST1-7) | SO 545569 66173 |
| Eaton Track | 5 samples (ET1-5) | SO 506343 72980 |
| Eaton Top | 4 samples (EG 1-4) | SO 506343 72980 |
| Harton Hollow | 23 samples (1-23HH) | SO 48043 87628 |
| Lower Moorwood Quarry | 11 samples (1-11LMQ) | SO 46563 80622 |
| Moorwood Quarry | 15 samples (1-15MQ) | SO 46563 80622 |
| Stefford Quarry, Lower Dinchope-Stefford Lane | 6 samples (SQ1-5) | SO 454775 81349 |
| Craven Arms | 14 samples (CA 1-14) | SO 43606 84729 |
| Pitch Coppice | 1 sample (PC) | SO 342427 77593 |
| Ludlow Anticline, Burrington, Herefordshire | 17 samples (BMQ 1-17) | SO 44259 72549 |
| Upper Burrington Quarry | 5 samples (BUQ A-E) | SO 44143 72672 |
