USGS Open-File Report 99-50D (Table 1)

U.S. DEPARTMENT OF THE INTERIOR
U.S. GEOLOGICAL SURVEY

Ghaba Salt Basin Province and Fahud Salt Basin Province, Oman -- Geological Overview and Total Petroleum Systems

By
RICHARD M. POLLASTRO

Open-File Report 99-50-C

Table 1. -- Common characteristics of source rocks and oils of Ghaba and Fahud Salt Basin Provinces, north-central Oman. (TOC, total organic carbon in weight percent: OMt, organic-matter type; %S, percent sulfur in oil; X-c, presence/absence of X-branched compounds)

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Source rock/
oil type

OMt

TOC (%)

d¹³C (‰)

Sterane %
(C₂₇,C₂₈,C₂₉)

API

X-c

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North Oman Huqf	I/II	3	-33 to -35	20,20,60	25-45	1.0-2.0	yes
Huqf ‘Q’	I/II	?	-30 to -31	63,22,15	40-50	0.1-0.4	yes
Natih	I/II	5	-27	34,38,28	31-32°	1.5	no

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