Big anomaly, low topography

Spring is the best time to map the hills of Menashe. Sometimes it seems like Tuscany. The surface geology is quite confusing. It is built of chalk, and sometimes it is quite difficult to identify a geological fault when all you have as a clue is two shades of white on both sides. The subterranean landscape is less monotonous. Previous studies have shown that magmatic rocks underlay this region. Based on some outcrops we know the age of volcanism – sometime during the mid-Miocene. But the magnetic anomalies may source from older rocks. So we went out to measure. The timing was great – during Passover vacation when everyone is hiking, cycling and driving there.

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We collected data along about 35 km, not so far from the famous archeological site of Armageddon. The new lines are marked in purple. Available lines in green:


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