Field Notebook: 1985
Page 116
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Transcription
July 30, 1985 Leo + T Section 8542 in West Creek, Strand Ford, Eureeka Sound formation Section starts at the fork (upper) of west creek. basal unit is a thick sandstone at the fork of the creek. N.B. West creek is clear and drinkable unlike East creek which is very muddy. (Conversion to metric boards or 1m = 3.3ft) Measured by 50ft tape Unit no. thickness Total description for purposes of argument T #1 will be taken to = unit 390f 8540 1 15.5m 15.5 pink to yellow-brown weathering fg ss w/ climbing ripples, ^, parallel lm. dip 90°, carbon bearing plane (cliff at fork of west creek 2 94.5m 110 Partially covered swale sequence of dark gray shales, lignite (up to 4 m), and flaggy sandstone and mudstones. 3m coal at top Sand below core contains a nice uncollected megafossil: fibra in a rooted plant, fine saw Cercidiphyllum "Betula" or "Alnus" 80 77 18N 80 32W 3 3m 113 Massive yellow-brown ss ^, fine gr. climbing ^ cliff-form 4 60m 173 Sequence of thin flaggy ss; thin punker mudstone, thin coals. Pollen 8542a at 24m 3m ss at 42m 5 91.3m 264.3 typical ss, yellow tan 2.5m thick; ^; parallel bedding. It begins a sequence of similar sands, dk gray clay, shale and some coal. Similar to unit 4. - the platy ss have roots up to 3cm thick - thin coals up to 50 cm one such coal or 3m unit largely covered from 42-91.3 2m coal at 86 m forms a delta-like project into the stream. TRUE DIP 70°S Measured from here on with Jacob's Staff