Fig. 9From: Identification of marine magnetic anomalies based on the sliding window curve similarity methodIdentification results of the polarity chron C27, C28 and C29 under different spreading rates of 110 mmyr−1, 55 mmyr−1 and 28 mmyr−1. a The identification results of the polarity chron C27; b The identification results of the polarity chron C28; c The identification results of the polarity chron C29Back to article page