A Naturalist's Pilgrimage to the Galapagos
Smithsonian's Laura Helmuth vacationed in the Galapagos Islands and returned with even more respect for Charles Darwin
- By Laura Helmuth
- Smithsonian.com, January 30, 2009
(Laura Helmuth)
The archipelago of 19 islands was and is being created by a "hotspot" where magma bursts through Earth's crust. The hotspot stays in one place, but the oceanic plate through which it erupts is creeping steadily eastward. So the islands on the eastern side of the archipelago were built up earlier--a few million years ago--than the ones on the west, most of which are still erupting.
As if Darwin didn't do enough for science with the theory of evolution by natural selection, he also figured out the life history of oceanic islands. He realized that such islands start as volcano peaks, erode into flatter islands as their volcano ceases spewing lava, and eventually sink into the sea surrounded by an atoll of coral that grew on the flanks of the volcano.
This caldera at the top of Sierra Negra volcano on Isabela last erupted in 2005.
So the islands emerged from the sea as molten rock--perfectly sterile.
Comments (8)
I went to the Galapagos two summers ago and absolutely fell in love with the islands. I went when I was just 16 and plan on going back. The islands are unbelievable. If you ever get the chance to go it is a must. The history and biology hidden in these islands make it a memorable trip for all ages!
Posted by Fallon on February 21,2010 | 10:27 PM
I just returned from nine days in the Galapagos (May 7-16, 2009). It is expensive to get there and go on a small yacht cruise but worth every single penny. May or December are the best months to go. I strongly advise you to book this trip now and not keep putting it off like I did. I'm 36 and kicking myself that I did not do it earlier. It is an absolutely life-changing experience!
Posted by Sean on May 20,2009 | 12:08 PM
How I would love to visit this splendid place! It is incredible even today that Darwin was able to see the big picture in that one small area of the universe. If he did not profess a faith of any kind it does not refute his findings. In fact, in my mind, creation and evolution are one and the same. Our God is omnipotent! Who would doubt that it is ALL God's plan. So many don't recognize the magnificence of His power. It is not an "either/or". I believe His hand guides it all.
Posted by Carol on February 16,2009 | 07:31 PM
But, you forgot to mention that many of the islands have trails that are easy to walk on and beautiful beaches where one can share the water with playful sea lions.d
Posted by Byron Dann on February 8,2009 | 03:11 PM
My husband and myself have to been to the Galapagos. The islands are unbelievable.
Posted by Maureen Duckworth on February 7,2009 | 05:23 PM
Good article. Most of the pictures were too dark.
Posted by John Dalsimer on February 7,2009 | 04:42 PM
Enjoyed reading your article...it brought back a lot of memories. As you mentioned, the wildlife is amazing and not afraid of humans. Our naturalist was from the Galapagos and was a wealth of information. I hope they can continue to protect the area. Also, removing non-native wildlife, such as goats, will only enhance & preserve this unique area. My favorite was the blue footed booby...watching them fish was fascinating. We really enjoy the Smithsonian Magazine.
Posted by Larry Stadler on February 7,2009 | 04:28 PM
A trip to the Galapagos is life changing. I'd go back every year if I could.
Posted by Ann Hoagland on February 7,2009 | 03:11 PM
So, Mr. Darwin had this all figured out did he? I'm sorry he never got to know my God - who in the magnificence we live around - loved him anyway, even though he took all the credit. I hope one day you get to know Him too.
Posted by Samantha on February 7,2009 | 01:58 PM