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Reference.org
Ouled Abdoun Basin
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<p>The Oulad Abdoun Basin (also known as the Ouled Abdoun Basin or Khouribga Basin) is a <a href="/facts/Phosphate/FDGVCxUG">phosphate</a> <a href="/facts/Sedimentary_basin/dVkfKMrB">sedimentary basin</a> located in <a href="/facts/Morocco/6ly8170M">Morocco</a>, near the city of <a href="/facts/Khouribga/H0tDQnDW">Khouribga</a>. It is the largest in Morocco, comprising 44% of Morocco's phosphate reserves, and at least 26.8 billion tons of phosphate. It is also known as an important site for <a href="/facts/Vertebrate/tT54FSTT">vertebrate</a> <a href="/facts/Fossil/by7NzIA1">fossils</a>, with deposits ranging from the <a href="/facts/Late_Cretaceous/pcHa4fBg">Late Cretaceous</a> (<a href="/facts/Maastrichtian/xRBafamu">Maastrichtian</a>) to the <a href="/facts/Eocene_epoch/EYgI8Uco">Eocene epoch</a> (<a href="/facts/Ypresian/KdIvHqv5">Ypresian</a>), a period of about 25 million years. </p>