Correction to “a New Saturated and Aromatic Hydrocarbon-based Scheme to Decipher the Origin of Extracted Organic Matter in the Outer Carpathians: From the Jurassic to the Miocene”

Abstract

Słowakiewicz, M. (2025), A New Saturated and Aromatic Hydrocarbon-Based Scheme to Decipher the Origin of Extracted Organic Matter in the Outer Carpathians: From the Jurassic to the Miocene. Journal of Petroleum Geology, 48: 188–204. https://doi.org/10.1111/jpg.70001

In Section 3.2, “Sample and Extraction Preparation”, information on the extraction protocol was missing and should have been added as follows:

Rock and drill core samples were first trimmed to remove weathered or stained surfaces, then washed with pure acetone and dried at room temperature. Samples of approximately 10 g each were subsequently ground to fractions <0.2 mm before extraction.

Extraction was carried out in an ultrasonic bath using a dichloromethane–methanol (9:1, v/v) mixture as the solvent for 15 min, with the extraction repeated twice. The asphaltene fraction was isolated from the extracted bitumens using n-hexane. The resulting maltenes (a mixture of saturated hydrocarbons, aromatic hydrocarbons and resins) were separated into individual fractions using a chromatographic column (0.8 × 150 mm) packed with activated (125°C) silica gel, with n-hexane, n-hexane–dichloromethane (3:1, v/v) and toluene–methanol (1:1, v/v) used as eluents, respectively. Only compounds eluting in the saturated and aromatic hydrocarbon fractions are reported herein.

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