火山熔岩景观
2014-03-05 00:00:00
阅读数:
<p>
<span style="line-height:2;font-family:SimSun;font-size:14px;"> 火山喷发的岩浆覆盖在地面上，在较大的范围内形成平</span><span style="line-height:2;font-family:SimSun;font-size:14px;">坦的熔岩席、熔岩被等，高出地面的熔岩常常形成台地。天池</span><span style="line-height:2;font-family:SimSun;font-size:14px;">火山地貌园区内的熔岩台地面积达1000平方公里，其中最为壮</span><span style="line-height:2;font-family:SimSun;font-size:14px;">观的是大黑沟一带的熔岩台地。在面积约200平方公里的范围</span><span style="line-height:2;font-family:SimSun;font-size:14px;">内，寸土无积，犹如波涛汹涌的熔岩海洋，形成多种多样的熔</span><span style="line-height:2;font-family:SimSun;font-size:14px;">岩形态和熔岩构造，有翻花石、熔岩垅、熔岩绳、熔岩碟、熔</span><span style="line-height:2;font-family:SimSun;font-size:14px;">岩洞、熔岩丘、喷气锥等，其中熔岩丘是国内不多见的<span style="line-height:2;font-family:SimSun;font-size:14px;">一</span></span><span style="line-height:2;font-family:SimSun;font-size:14px;">种玄</span><span style="line-height:2;font-family:SimSun;font-size:14px;">武岩地貌形态。这种熔</span><img width="609" height="431" align="right" alt="" src="/public/html_images/20140304/20140304235938_526.png" /><span style="line-height:2;font-family:SimSun;font-size:14px;">岩丘多呈馒头形，直径</span><span style="line-height:2;font-family:SimSun;font-size:14px;">5～7米，高2～4米，中</span><span style="line-height:2;font-family:SimSun;font-size:14px;">间有通气孔道，使熔岩</span><span style="line-height:2;font-family:SimSun;font-size:14px;">丘的顶部和侧面常常裂</span><span style="line-height:2;font-family:SimSun;font-size:14px;">开，形成裂隙式孔</span><span style="line-height:2;font-family:SimSun;font-size:14px;">洞。</span><span style="line-height:2;font-family:SimSun;font-size:14px;">在大黑沟到摩天岭（高</span><span style="line-height:2;font-family:SimSun;font-size:14px;">山）约40平方公里的范围内分布着数以百计的熔岩丘。</span>
</p>
<p>
<span style="line-height:2;font-family:SimSun;font-size:14px;"></span>
</p>
<p>
<span style="line-height:2;font-family:SimSun;font-size:14px;"></span>
</p>
<p>
<span style="line-height:2;font-family:SimSun;font-size:14px;"></span>
</p>
<p>
<span style="line-height:2;font-family:SimSun;font-size:14px;"></span>
</p>
<p>
<span style="line-height:2;font-family:SimSun;font-size:14px;"></span>
</p>
<p>
<span style="line-height:2;font-family:SimSun;font-size:14px;"></span>
</p>
<p>
<span style="line-height:2;font-family:SimSun;font-size:14px;"></span>
</p>
<p align="right">
<span style="line-height:2;font-family:SimSun;font-size:14px;"></span>
</p>
<p align="center">
</p>
<p align="center">
<span style="line-height:2;font-family:SimSun;font-size:14px;"> 熔岩绳</span>
</p>
