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pre-Carboniferous
pre-Carboniferous adj.
Brit. 
/ˌpriːkɑːbəˈnɪf(ə)rəs/
, /ˌpriːkɑːbəˈnɪf(ə)rəs/U.S. /ˌpriˌkɑrbəˈnɪf(ə)rəs/
/ˌpriˌkɑrbəˈnɪf(ə)rəs/ΚΠ
1855 J. Phillips Man. Geol. 613 The quantity of carbonic acid in the atmosphere in the precarboniferous ages.
1894 Geol. Mag. Oct. 461 The South Welsh pre-Carboniferous barrier of Hull, which forms the northern boundary of the visible Coal-fields.
1910 Encycl. Brit. I. 752/1 Controversy has centred more particularly around the schistes lustrés, which are held by some to be of Triassic age and by others to be pre-Carboniferous.
1995 Chem. Geol. 125 249 The data..place severe constraints on the crustal evolution of this region during the Carboniferous and pre-Carboniferous epoch.
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