਍㰀䠀吀䴀䰀㸀㰀䠀䔀䄀䐀㸀㰀吀䤀吀䰀䔀㸀嘀椀爀琀甀愀氀 䘀椀攀氀搀 吀爀椀瀀 琀漀 伀甀琀挀爀漀瀀猀 渀攀愀爀 䐀愀氀琀漀渀Ⰰ 䜀攀漀爀最椀愀㰀⼀吀䤀吀䰀䔀㸀ഀഀ ਍㰀䈀伀䐀夀 戀最䌀漀氀漀爀㴀⌀昀昀昀昀昀昀㸀ഀഀ
਍㰀䠀㄀㸀嘀椀爀琀甀愀氀 䘀椀攀氀搀 吀爀椀瀀 ㄀㨀㰀䈀刀㸀伀甀琀挀爀漀瀀猀 渀攀愀爀 䐀愀氀琀漀渀Ⰰ 䜀攀漀爀最椀愀㰀⼀䠀㄀㸀㰀⼀䐀䤀嘀㸀㰀䤀䴀䜀 ഀഀ src="Conasauga/redblue.gif" width="100%"> ਍ഀഀ

਍㰀倀㸀ഀഀ ਍㰀倀㸀㰀䤀䴀䜀 猀爀挀㴀∀䌀漀渀愀猀愀甀最愀⼀䐀愀氀琀漀渀刀漀甀琀攀⸀樀瀀最∀ 眀椀搀琀栀㴀㠀  㸀ഀഀ ਍ഀഀ

਍䐀愀氀琀漀渀 椀猀 氀漀挀愀琀攀搀 椀渀 琀栀攀 刀椀搀最攀 愀渀搀 嘀愀氀氀攀礀 倀爀漀瘀椀渀挀攀 漀昀 䜀攀漀爀最椀愀Ⰰ 愀戀漀甀琀 ㄀   洀椀氀攀猀 ഀഀ northwest of Atlanta. The Ridge and Valley is the one area in Georgia that preserves ਍猀攀搀椀洀攀渀琀愀爀礀 爀漀挀欀猀 琀栀愀琀 眀攀爀攀 搀攀瀀漀猀椀琀攀搀 漀渀 琀栀攀 瀀氀愀琀昀漀爀洀 漀昀 琀栀攀 一漀爀琀栀 䄀洀攀爀椀挀愀渀 挀爀愀琀漀渀 搀甀爀椀渀最 ഀഀ the early Paleozoic. The Paleozoic rocks have been folded and faulted to produce long ridges ਍琀栀愀琀 琀爀攀渀搀 渀漀爀琀栀攀愀猀琀 琀漀 猀漀甀琀栀眀攀猀琀⸀ 吀栀攀 昀愀甀氀琀猀 戀漀甀渀搀椀渀最 琀栀攀 瀀爀漀瘀椀渀挀攀 愀爀攀 琀栀爀甀猀琀 昀愀甀氀琀猀 眀栀攀爀攀 ഀഀ sheets of sandstone, shale, limestone, and dolostone have been pushed northwestward ਍漀渀 琀漀瀀 漀昀 攀愀挀栀 漀琀栀攀爀⸀ 䄀猀 眀攀 眀椀氀氀 猀攀攀Ⰰ 栀漀眀攀瘀攀爀Ⰰ 渀漀爀洀愀氀 昀愀甀氀琀猀 愀氀猀漀 漀挀挀甀爀 椀渀 挀攀爀琀愀椀渀 爀漀挀欀猀ഀഀ of certain time periods. We will examine outcrops at three stops, defining a semicircle ਍戀攀最椀渀渀椀渀最 漀渀 琀栀攀 渀漀爀琀栀攀愀猀琀 猀椀搀攀 漀昀 䐀愀氀琀漀渀 愀渀搀 攀渀搀椀渀最 漀渀 琀栀攀 䌀漀渀愀猀愀甀最愀 刀椀瘀攀爀 愀琀 吀椀戀戀猀 䈀爀椀搀最攀⸀ഀഀ ਍㰀倀㸀ഀഀ

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਍䄀猀 礀漀甀 挀愀渀 猀攀攀 昀爀漀洀 琀栀攀 猀琀愀琀攀 最攀漀氀漀最椀挀愀氀 洀愀瀀Ⰰ 琀栀攀 漀甀琀挀爀漀瀀猀 眀攀 眀椀氀氀 瘀椀猀椀琀 氀椀攀 戀攀琀眀攀攀渀 琀栀攀ഀഀ Great Smoky (Cartersville) fault to the east and the Rome fault to the west. Find these two ਍昀愀甀氀琀猀 攀椀琀栀攀爀 漀渀 琀栀攀 愀戀漀瘀攀 昀椀最甀爀攀 漀爀Ⰰ 瀀爀攀昀攀爀愀戀氀礀Ⰰ 漀渀 愀渀 漀爀椀最椀渀愀氀 挀漀瀀礀 漀昀 琀栀攀 猀琀愀琀攀 洀愀瀀 眀栀椀挀栀ഀഀ has the map key. Answer the following: ਍㰀倀刀䔀㸀ഀഀ ਍ഀഀ 1. Which map units are found east and west of the Cartersville fault in the vicinity of Carters Dam? ਍ഀഀ ਍ഀഀ _______________________________________________________________ ਍ഀഀ ਍ऀഀഀ ਍    ㈀⸀  圀栀椀挀栀 洀愀瀀 甀渀椀琀猀 愀爀攀 昀漀甀渀搀 攀愀猀琀 愀渀搀 眀攀猀琀 漀昀 琀栀攀 刀漀洀攀 昀愀甀氀琀㼀ഀഀ ਍ഀഀ ਍       开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开    ഀഀ ਍ഀഀ ਍㰀倀㸀㰀䠀刀㸀㰀倀㸀ഀഀ

STOP 1 - CHATTANOOGA AVENUE

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਍㰀倀㸀ഀഀ ਍㰀倀㸀㰀䤀䴀䜀 猀爀挀㴀∀䌀漀渀愀猀愀甀最愀⼀䌀栀愀琀琀愀ⴀ嘀椀攀眀㄀⸀樀瀀最∀ 眀椀搀琀栀㴀㠀  㸀ഀഀ

 
਍㰀䘀伀一吀 昀愀挀攀㴀∀吀椀洀攀猀 一攀眀 刀漀洀愀渀∀㸀ഀഀ
	The field trip begins at the bedrock outcrop at the corner of the North Dalton
਍        戀礀瀀愀猀猀 ⠀唀匀 㜀㘀⤀ 愀渀搀 䌀栀愀琀琀愀渀漀漀最愀 䄀瘀攀渀甀攀⸀ 吀漀 爀攀愀挀栀 琀栀攀 漀甀琀挀爀漀瀀Ⰰ 礀漀甀 琀愀欀攀 攀砀椀琀 ㌀㌀㘀ഀഀ
        from I-75. This will put you on US 76, which you take east for approximately 2 miles
਍        琀漀 琀栀攀 椀渀琀攀爀猀攀挀琀椀漀渀 眀椀琀栀 䌀栀愀琀琀愀渀漀漀最愀 䄀瘀攀渀甀攀⸀ 吀栀攀 愀戀漀瘀攀 瘀椀攀眀 椀猀 氀漀漀欀椀渀最 眀攀猀琀 愀氀漀渀最 ഀഀ
        Chattanooga Avenue from the outcrop. Note the long ridge in the background which
਍        琀爀攀渀搀猀 渀漀爀琀栀攀愀猀琀Ⰰ 瀀愀爀愀氀氀攀氀 琀漀 琀栀攀 爀攀最椀漀渀愀氀 猀琀爀椀欀攀 漀昀 琀栀攀 倀愀氀攀漀稀漀椀挀 猀攀搀椀洀攀渀琀愀爀礀ഀഀ
        rocks.
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	According to the state geological map, the outcrop at STOP 1 is middle Ordovician, 
਍        䈀愀礀猀 昀漀爀洀愀琀椀漀渀 漀爀 䴀漀挀愀猀猀椀渀 氀椀洀攀猀琀漀渀攀 ⠀伀洀戀⤀⸀ 匀椀氀琀猀琀漀渀攀Ⰰ 猀栀愀氀攀Ⰰ 愀渀搀 氀椀洀攀猀琀漀渀攀 愀氀氀 漀挀挀甀爀⸀ഀഀ
        Changes in color are quite dramatic but partly due to chemical changes that have
਍        漀挀挀甀爀爀攀搀 猀椀渀挀攀 琀栀攀 猀攀搀椀洀攀渀琀猀 眀攀爀攀 搀攀瀀漀猀椀琀攀搀⸀ 匀攀瘀攀爀愀氀 氀愀爀最攀 昀愀甀氀琀猀 挀甀琀 愀挀爀漀猀猀 琀栀攀ഀഀ
        entire outcrop. The rocks have been smoothed and polished, and there is quartz material
਍        愀氀漀渀最 琀栀攀 昀愀甀氀琀 瀀氀愀渀攀猀 琀栀愀琀 昀漀爀洀攀搀 搀甀爀椀渀最 琀栀攀 昀愀甀氀琀椀渀最⸀ഀഀ

਍㰀⼀倀刀䔀㸀ഀഀ

਍㰀倀㸀㰀倀刀䔀㸀㰀䘀伀一吀 昀愀挀攀㴀∀吀椀洀攀猀 一攀眀 刀漀洀愀渀∀㸀ഀഀ ਍ऀ ഀഀ 3. If the bed labeled A is the same on either side of the fault, would this be a reverse or a normal fault? ਍ ഀഀ ਍ഀഀ ______________________________________________________ ਍ഀഀ ਍        䠀漀眀 挀愀渀 礀漀甀 琀攀氀氀㼀ഀഀ ਍ഀഀ ਍  ऀ开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开ഀഀ ਍ഀഀ ਍ऀ䤀渀 猀瀀椀琀攀 漀昀 琀栀攀 昀愀甀氀琀椀渀最Ⰰ 琀栀攀 爀漀挀欀 爀攀琀愀椀渀猀 最爀愀椀渀 猀椀稀攀 搀椀昀昀攀爀攀渀挀攀猀 愀渀搀 漀琀栀攀爀ഀഀ features that indicate the environment in which the sediment was deposited. ਍        匀攀搀椀洀攀渀琀愀爀礀 猀琀爀甀挀琀甀爀攀猀 猀甀挀栀 愀猀 琀栀漀猀攀 椀渀 琀栀攀 椀洀愀最攀猀 戀攀氀漀眀 椀渀搀椀挀愀琀攀 愀 猀攀琀琀椀渀最ഀഀ between high and low tide with a moderate degree of bioturbation or disturbance ਍        戀礀 戀甀爀爀漀眀椀渀最 漀爀最愀渀椀猀洀猀⸀  ഀഀ ਍㰀⼀倀刀䔀㸀ഀഀ

਍㰀倀刀䔀㸀㰀䘀伀一吀 昀愀挀攀㴀∀吀椀洀攀猀 一攀眀 刀漀洀愀渀∀㸀ഀഀ ਍ഀഀ 4. Image A shows mudcracks. What do these indicate about the depositional environment? ਍ ഀഀ ਍ഀഀ ______________________________________________________ ਍ഀഀ ਍ഀഀ 5. Image B shows symmetrical ripple marks. What do these indicate? Is this the top or the bottom of the bed? ਍ ഀഀ ਍ഀഀ a. ______________________________________ b. _____________________________________ ਍ഀഀ ਍    㘀⸀  䤀洀愀最攀 䌀 猀栀漀眀猀 愀 昀椀氀氀攀搀ⴀ椀渀 戀甀爀爀漀眀Ⰰ 瀀爀漀戀愀戀氀礀 昀爀漀洀 愀 眀漀爀洀⸀ 䐀漀攀猀 琀栀椀猀 洀愀爀欀 琀栀攀 琀漀瀀 漀爀 琀栀攀 戀漀琀琀漀洀 漀昀 琀栀攀 戀攀搀㼀ഀഀ ਍ഀഀ ਍  ऀ开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开ഀഀ ਍ഀഀ ਍㰀⼀倀刀䔀㸀ഀഀ


਍㰀䠀㈀㸀匀吀伀倀 ㈀ ⴀ 䤀䌀䠀一伀䘀伀匀匀䤀䰀匀 䤀一 䌀伀一䄀匀䄀唀䜀䄀 匀䠀䄀䰀䔀㰀⼀䠀㈀㸀ഀഀ ਍吀栀攀 漀甀琀挀爀漀瀀 愀琀 匀吀伀倀 ㈀ 椀猀 椀渀 琀栀攀 䌀漀渀愀猀愀甀最愀 猀栀愀氀攀 ⠀䌀挀猀⤀Ⰰ 愀挀挀漀爀搀椀渀最 琀漀 琀栀攀 猀琀愀琀攀 最攀漀氀漀最椀挀愀氀 洀愀瀀⸀ഀഀ The rocks at STOP 2 are the most highly metamorphosed of those we examined. The beds in the lower ਍瀀愀爀琀 漀昀 琀栀攀 漀甀琀挀爀漀瀀 眀攀爀攀 琀栀攀 氀攀愀猀琀 搀攀昀漀爀洀攀搀⸀ 䰀愀洀椀渀愀爀 戀攀搀搀椀渀最 挀愀渀 戀攀 猀攀攀渀 戀攀氀漀眀 琀栀攀 搀愀猀栀攀搀 氀椀渀攀ഀഀ in the image below. ਍ഀഀ

਍㰀倀㸀㰀倀刀䔀㸀㰀䘀伀一吀 昀愀挀攀㴀∀吀椀洀攀猀 一攀眀 刀漀洀愀渀∀㸀ഀഀ ਍ऀ吀栀攀 戀攀搀猀 椀渀 琀栀攀 甀瀀瀀攀爀 琀眀漀 琀栀椀爀搀猀 漀昀 琀栀攀 漀甀琀挀爀漀瀀 眀攀爀攀 琀栀爀甀猀琀 漀瘀攀爀 琀栀攀 洀漀爀攀 氀愀洀椀渀愀爀 戀攀搀猀 愀琀 琀栀攀ഀഀ base. I measured a strike of N 40 deg E (see my instructions on measuring strike and dip). ਍ऀ吀栀攀 戀攀搀猀 搀椀瀀 愀琀 㜀㠀 搀攀最爀攀攀猀 戀攀氀漀眀 琀栀攀 栀漀爀椀稀漀渀琀愀氀⸀ഀഀ ਍ऀ伀甀爀 洀愀椀渀 爀攀愀猀漀渀 昀漀爀 瘀椀猀椀琀椀渀最 琀栀椀猀 漀甀琀挀爀漀瀀 眀愀猀 琀漀 漀戀猀攀爀瘀攀 琀栀攀 甀渀椀焀甀攀 琀爀愀挀攀 昀漀猀猀椀氀猀 ⠀∀椀挀栀渀漀昀漀猀猀椀氀猀∀⤀ 眀栀椀挀栀ഀഀ Ken Leonard has found on bedding surfaces in this rock. ਍ഀഀ ਍㰀倀㸀㰀䤀䴀䜀 猀爀挀㴀∀䌀漀渀愀猀愀甀最愀⼀䤀挀栀渀漀ⴀ䠀愀洀洀攀爀⸀樀瀀最∀ 戀漀爀搀攀爀㴀㈀  眀椀搀琀栀㴀㜀  㸀ഀഀ

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	The small circular depressions in the rock immediately above my rock hammer are ichnofossils
਍ऀ眀栀椀挀栀 䬀攀渀 琀栀椀渀欀猀 眀攀爀攀 洀愀搀攀 戀礀 洀攀洀戀攀爀猀 漀昀 琀栀攀 瀀栀礀氀甀洀 㰀䤀㸀䌀渀椀搀愀爀椀愀㰀⼀䤀㸀⸀ഀഀ

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    7. Look in your textbook and find the phylum Cnidaria. What are some modern organisms which are 
਍       洀攀洀戀攀爀猀 漀昀 琀栀椀猀 瀀栀礀氀甀洀㼀ഀഀ

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਍  ऀ开开开开开开开开开开开开开开开开开  开开开开开开开开开开开开开开开开开  开开开开开开开开开开开开开开开开开  开开开开开开开开开开开开开开开开开ഀഀ

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    8.  Describe one of the samples of the Conasauga "shale" that we collected from the outcrop at STOP 2:  
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	Color(s)  ________________________________________   Hardness _______________
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	Texture __________________________________________________________________
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	Bedding/Foliation __________________________________________________________
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਍㰀倀㸀㰀䠀刀㸀㰀倀㸀ഀഀ

STOP 3 - TIBBS BRIDGE ON THE CONASAUGA RIVER

਍ഀഀ ਍㰀䤀䴀䜀 猀爀挀㴀∀䌀漀渀愀猀愀甀最愀⼀吀椀戀戀猀ⴀ䬀攀渀⸀樀瀀最∀ 眀椀搀琀栀㴀㜀  㸀㰀倀㸀ഀഀ ਍㰀倀刀䔀㸀ഀഀ ਍ഀഀ Tibbs Bridge on the Conasauga River is reached by taking Tibbs Bridge Road from ਍ऀ匀瀀爀椀渀最 倀氀愀挀攀 漀渀 匀⸀刀⸀ ㈀㈀㔀⸀ 吀栀攀 爀椀瘀攀爀 挀栀愀渀渀攀氀 洀愀欀攀猀 愀戀爀甀瀀琀 爀椀最栀琀 愀渀最氀攀 戀攀渀搀猀 栀攀爀攀 ഀഀ so that the channel is either aligned with the bedrock strike or running perpendicular ਍ऀ琀漀 椀琀⸀ 䈀漀琀栀 氀椀洀攀猀琀漀渀攀 愀渀搀 猀栀愀氀攀 愀爀攀 椀渀挀氀甀搀攀搀 椀渀 琀栀攀 甀渀椀琀 猀栀漀眀渀 漀渀 琀栀攀 猀琀愀琀攀 最攀漀氀漀最椀挀愀氀 ഀഀ map. The outcrop that we will be looking at is under the bridge on the east bank. ਍ऀ匀栀愀氀攀 攀爀漀搀攀猀 攀愀猀椀氀礀Ⰰ 猀漀 琀栀愀琀 琀栀攀 戀愀渀欀 椀猀 挀漀瘀攀爀攀搀 眀椀琀栀 挀爀甀洀戀氀攀搀 瀀椀攀挀攀猀 漀昀 猀栀愀氀攀⸀ഀഀ ਍ऀ䤀昀 礀漀甀 戀爀攀愀欀 漀昀昀 愀 昀爀攀猀栀 猀氀愀戀 愀渀搀 挀氀漀猀攀氀礀 攀砀愀洀椀渀攀 琀栀攀 琀漀瀀 漀昀 攀愀挀栀 氀愀洀椀渀愀爀 戀攀搀搀椀渀最ഀഀ plane, you will be rewarded by the discovery of a fossil trilobite. ਍ഀഀ ਍㰀倀㸀㰀䤀䴀䜀 猀爀挀㴀∀䌀漀渀愀猀愀甀最愀⼀吀椀戀戀猀ⴀ吀爀椀氀漀䈀椀最⸀樀瀀最∀ 戀漀爀搀攀爀㴀㈀  眀椀搀琀栀㴀㘀  㸀ഀഀ ਍㰀倀刀䔀㸀㰀䘀伀一吀 昀愀挀攀㴀∀吀椀洀攀猀 一攀眀 刀漀洀愀渀∀㸀ഀഀ ਍ഀഀ 9. Describe one of the samples of the Conasauga shale that we collected from the outcrop at STOP 3: ਍ഀഀ Color(s) ________________________________________ Hardness _______________ ਍ഀഀ Texture __________________________________________________________________ ਍ഀഀ Bedding/Foliation __________________________________________________________ ਍ഀഀ ਍ഀഀ 10. Now compare your descriptions and the samples from STOP 2 and STOP 3 with each other and with ਍ऀ猀愀洀瀀氀攀猀 漀昀 猀栀愀氀攀Ⰰ 猀氀愀琀攀Ⰰ 愀渀搀 瀀栀礀氀氀椀琀攀 瀀爀漀瘀椀搀攀搀 戀礀 礀漀甀爀 椀渀猀琀爀甀挀琀漀爀⸀ 圀栀愀琀 爀漀挀欀 渀愀洀攀 眀漀甀氀搀 礀漀甀 愀猀猀椀最渀 琀漀㨀ഀഀ ਍ഀഀ STOP 2 outcrop ___________________________________ ਍ഀഀ ਍ऀ匀吀伀倀 ㌀ 漀甀琀挀爀漀瀀 开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开开ഀഀ ਍ഀഀ ਍㰀⼀倀刀䔀㸀 㰀䘀伀一吀 昀愀挀攀㴀∀吀椀洀攀猀 一攀眀 刀漀洀愀渀∀㸀ഀഀ ਍㰀倀㸀㰀䠀刀㸀㰀倀㸀ഀഀ REFERENCES

਍䌀栀漀眀渀猀Ⰰ 吀⸀ 䴀⸀Ⰰ ㄀㤀㜀㈀Ⰰ 匀攀搀椀洀攀渀琀愀爀礀 攀渀瘀椀爀漀渀洀攀渀琀猀 椀渀 琀栀攀 倀愀氀攀漀稀漀椀挀 爀漀挀欀猀 漀昀 渀漀爀琀栀眀攀猀琀 䜀攀漀爀最椀愀⸀ഀഀ Georgia Geological Survey, Atlanta. ਍㰀倀㸀ഀഀ Cressler, C. W., 1964, Geology and Ground-Water Resources of the Paleozoic Rock Area, Chattooga County, ਍䜀攀漀爀最椀愀⸀ 䜀攀漀爀最椀愀 䜀攀漀氀漀最椀挀愀氀 匀甀爀瘀攀礀 䤀渀昀漀爀洀愀琀椀漀渀 䌀椀爀挀甀氀愀爀 ㈀㜀Ⰰ 䄀琀氀愀渀琀愀⸀ഀഀ

਍倀椀挀欀攀爀椀渀最Ⰰ 匀⸀ 䴀⸀Ⰰ 愀渀搀 䴀甀爀爀愀礀Ⰰ 䨀⸀ 䈀⸀Ⰰ ㄀㤀㜀㘀Ⰰ 䜀攀漀氀漀最椀挀 䴀愀瀀 漀昀 䜀攀漀爀最椀愀⸀ 䜀攀漀爀最椀愀 䜀攀漀氀漀最椀挀愀氀 匀甀爀瘀攀礀Ⰰഀഀ Atlanta. ਍㰀倀㸀ഀഀ Munyan, Arthur Claude, 1951, Geology and mineral resources of the Dalton quadrangle, Georgia-Tennessee. ਍䜀攀漀爀最椀愀 䜀攀漀氀漀最椀挀愀氀 匀甀爀瘀攀礀Ⰰ 䄀琀氀愀渀琀愀⸀ഀഀ


਍ഀഀ ਍㰀䄀 栀爀攀昀㴀∀栀琀琀瀀㨀⼀⼀眀眀眀⸀瘀愀氀搀漀猀琀愀⸀攀搀甀⼀縀搀洀琀栀椀攀洀攀∀㸀刀攀琀甀爀渀 琀漀 䐀爀⸀ 吀栀椀攀洀攀✀猀 栀漀洀攀瀀愀最攀㰀⼀䄀㸀㰀倀㸀ഀഀ ਍㰀倀㸀㰀䠀刀㸀㰀倀㸀ഀഀ Copyright Donald M. Thieme
਍嘀愀氀搀漀猀琀愀 匀琀愀琀攀 唀渀椀瘀攀爀猀椀琀礀Ⰰ 嘀愀氀搀漀猀琀愀Ⰰ 䜀䄀㰀䈀刀㸀ഀഀ Page created June 1, 2009
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