Table 2 Average broadband Q and Q0 for each geological province, and the entire study area.
From: Lateral Variation of Crustal Lg Attenuation in Eastern North America
Region | Age (Ga) | Average Q (0.5–5.0 Hz) | Q0 | ||||
|---|---|---|---|---|---|---|---|
Mean Value | Lower Limit | Upper Limit | Mean Value | Lower Limit | Upper Limit | ||
Entire Study Area | — | 932 | 496 | 1753 | 792 | 362 | 1733 |
Superior | >2.5 | 1039 | 727 | 1484 | 896 | 622 | 1292 |
Southern + Penokean | 1.9–1.6 | 791 | 317 | 1972 | 689 | 236 | 2009 |
Grenville | 1.3–1.0 | 1266 | 662 | 2415 | 1239 | 510 | 3007 |
Appalachian | 0.4 | 865 | 490 | 1531 | 712 | 399 | 1269 |
