(Table 1) Age, total organic carbon, organic matter types, and pyrolysis results from DSDP Leg 84 Holes

Continental slope samples offshore Guatemala contain organic matter derived from both terrestrial and marine sources. Upper Pleistocene samples are generally amorphous-rich, with TOCs averaging 2.4%. Pliocene and Miocene sediments contain varying amounts of terrestrial material that increase in proportion down toward the base of the slope. TOCs average 0.93%. The samples are currently immature for the generation of liquid hydrocarbons.

危地马拉近海大陆坡的沉积物样品所含有机质兼具陆源与海源双重来源。更新世上段（Upper Pleistocene）样品普遍以无定形有机质为主，总有机碳（Total Organic Carbon, TOC）平均含量为2.4%。上新世与中新世沉积物中陆源物质占比存在差异，且沿大陆坡向坡底方向占比逐渐升高，其总有机碳平均含量为0.93%。目前这批样品尚未达到可生成液态烃类（liquid hydrocarbons）的成熟度。