蒙特里湾国家海洋圣地的岸线调查表明常有海岸沥青（海滨中刷焦油沥青球）的残余物，指出圣地早期曾被原油污染。利用生物标志化合物和碳同位素进行的有机地球化学分析证实，这些残余物的大部分具有来自加利福尼亚中新世蒙特里建造油源岩的共同的原生成因、命名、原油和／或原 Shoreline surveys of the Monterey Bay National Marine Sanctuary show that the remains of coastal bitumen (a tar pitch ball in the waterfront) often indicate that the Holy Land was contaminated with crude oil in the early stages. Organic geochemical analysis using biomarkers and carbon isotopes confirmed that the majority of these residues have the common primary causative, naming, crude, and / or primary origin of source rocks from the Miocene Monterey, California,