尤克拉盆地
尤克拉盆地（Eucla Basin）是澳大利亚南部的一个自流盆地，地跨西澳大利亚州和南澳大利亚州两州，地势向南倾斜直抵大澳大利亚湾，包括纳拉伯平原广阔的石灰岩区，面积18万平方公里。盆地内主要有两个含水层。上层为新近纪和古近纪（距今约260万至6千5百万年）石灰岩，下层为白垩纪（距今6千5百万至1.45亿年）砂石。地表水向下渗透经石灰岩层，地下水存储于蓄水层，形成地下溶洞和隧道。“尤克拉”一名取自土着语“yer”（意为“明亮”）和“coloya”（意为“火”）。
Eucla Basin
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Eucla Basin 尤克拉盆地
The Eucla Basin is an artesian depression located in Western Australia and South Australia. The onshore-offshore depression covers approximately 1,141,000 km² and slopes southward to an open bay known as the Great Australian Bight.
It extends more than 500 km offshore and about 350 km inland from the coastline. The Eucla Basin is a Cainozoic basin consisting mostly of carbonate sediments and sedimentary rocks. The basin contains a sandstone aquifer at its base (confined), and an unconfined limestone aquifer.